The phrase "a substantial occurrence" is correct and usable in written English.
It can be used to describe an event or incident that is significant or important in some context.
Example: "The study revealed a substantial occurrence of anxiety among students during exam periods."
Alternatives: "a significant event" or "a major incident."
In the present study there was a substantial occurrence of fractures in the younger age groups also (Table 4), suggesting that screening for osteoporosis in the 50- to 60-year age group may be well advised.
Furthermore, we came across the wrong use of tests (e.g., F and χ² tests from which the p values are divided by two without sound argumentation), problems with the reporting of the smallest p value (e.g., reporting a p value as <.000 or reporting p =.001 when p <.001 would have been correct), and rounding errors, and we found evidence of a substantial occurrence of copy paste errors.
We hypothesized that patients with POH and the subset cohort with POPA (POH with pulmonary infiltrate) would each have a clinically substantial occurrence rate.
Phage prepared on SupD [pD::eGFP] at 37 and 39 °C were particularly interesting however, as phage samples indicated two notable size peaks, denoting vastly different diameters at substantial occurrence; a first peak at ~30 nm and the second at ~280 nm.
For example, the Seridó region, which mostly overlays with the Sertaneja Depression and the Borborema Plateaus domains and have strong influence of Precambrian crystalline basements and substantial occurrence of inselbergs, have been identified as a noteworthy regional refugia for a rich and endemic biota [ 84].
The substantial occurrence of co-morbid illnesses throughout the 24 weeks of follow-up was unexpected.
Despite the substantial occurrence of CD in people with T1DM (2-12%), routine serological screening of those at increased risk remains controversial [ 10].
HIV is a highly stigmatized, chronic disease with a substantial co-occurrence of mental health problems [ 1].
The high-mortality rate is also coupled with a substantial rise in occurrence due to a fast-growing population with immunodeficiency and the wide application of immunosuppressive agents in medical treatments such as cancer therapy or organ transplantation.
This comparison indicates that there exists a substantial difference between occurrence of NF-κB-related TFBS not only between NF-κB-dependent and random sequences, but also among the Early and Middle versus the Late groups.
The first relevant defensive measure adopted by the Revlon board was the Rights Plan, which would be considered a "poison pill" in the current language of corporate takeovers — a plan by which shareholders receive the right to be bought out by the corporation at a substantial premium on the occurrence of a stated triggering event.
