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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
as per reference
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "as per reference" is correct and usable in written English.
It is typically used to indicate that something is being done according to a specific reference or source of information. Example: "As per reference, the deadline for the project is next Friday."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
it is important to remember
during the previous years
to avoid disruption
not yet completed
in accordance with direction from
Over the course of history
a couple of books before
if not soon
in two days
as excellent as
in a flash
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
Since the cores were collected independently of our studies of aDNA, they were not coated with an exogenous DNA tracer (as per reference [ 43]).
Science
In the F4 follow-up, a subsample (n = 1,321) aged 41 61 years as per reference date (35 54 years at baseline) performed standardized spirometry.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
We also charge £30 per reference.
News & Media
We used seven existing instruments (as per references) to ensure comprehensive coverage of items and then added items that were relatively unique to our study population (eg, food bank service use).
Science
The dietary intakes of all nutrients were expressed as mg/day per "reference man" when comparing to the results of non pregnant subjects in the 2002 NNHS.
Science
Patients were divided into groups for age (below and above 75), chemotherapy post-stenting, and albumin level (>34g/L is considered normal as per our local reference ranges).
Gene expression values defined as a sample-per-reference ratio [42] were normalized by Loess and quantile methods across all samples [43], [44] and log2 transformed.
Science
Epifluorescence-based imaging was performed per standard protocols, previously described in the reference Hall et al. (2007) and FUNCAT method was as per that described in the reference Dieterich et al. (2010).
Science
Theta values were calculated as per the reference Weir and Hill (2002).
Science
On LG A8, blocks B, T, and S could not be separated as per the reference genome.
Science
All the drugs that were given during the ICU stay were checked for the presence of potential interactions as per the reference manual.
Science
Expert writing Tips
Best practice
When using "as per reference", ensure the reference is clearly identifiable and accessible to the reader. This enhances clarity and credibility.
Common error
While appropriate in formal and technical contexts, overuse of "as per reference" can make informal writing sound stilted. Opt for simpler alternatives like "according to" or "following" in less formal settings.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "as per reference" functions as a prepositional phrase used to indicate that a statement, action, or information is in accordance with a specific reference document or source. As Ludwig AI indicates, it is considered correct and usable.
Frequent in
Science
75%
News & Media
20%
Formal & Business
5%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "as per reference" is a prepositional phrase used to indicate that information or actions are based on a specific source. As Ludwig AI confirms, it is grammatically correct and most appropriate for formal writing, technical documentation, or legal contexts. While the phrase itself is usable, remember that there are many alternatives for it, depending on the kind of tone you're aiming at. Some are: "according to the reference", "in accordance with the reference", or "following the reference". Finally, although the expression "as per reference" is correct, overusing it can make informal writing sound stilted.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
according to the reference
Replaces "as per" with "according to", offering a more formal tone.
in accordance with the reference
Uses a more formal and legalistic tone.
following the reference
Emphasizes the act of adhering to the reference.
as stated in the reference
Highlights the information source.
in line with the reference
Suggests alignment with the reference's content.
pursuant to the reference
Implies an action taken based on the reference.
consistent with the reference
Focuses on maintaining consistency with the reference.
as the reference indicates
Emphasizes the guiding nature of the reference.
as detailed in the reference
Highlights the level of detail provided by the reference.
by the reference
A more concise alternative, suitable for informal contexts.
FAQs
How can I use "as per reference" in a sentence?
You can use "as per reference" to indicate that information or action is based on a specific source. For example, "As per reference [43], the samples were not coated with an exogenous DNA tracer."
What phrases are similar to "as per reference"?
Alternatives include "according to the reference", "in accordance with the reference", or "following the reference".
When is it appropriate to use "as per reference"?
It is most appropriate in formal writing, technical documentation, or legal contexts where it's important to explicitly cite a source or standard.
What's the difference between "as per reference" and "according to the reference"?
"As per reference" is slightly more concise, but "according to the reference" offers a similar level of formality and clarity. Both are used to indicate that information comes from a specific source.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested