The phrase "differ primarily from" is grammatically correct and can be used in written English.
It is typically used to describe how two things are different from each other in a specific and significant way. Example: The two political parties differ primarily from each other in their stances on economic policies.
Past and current users differed primarily from never users as they were more likely to have used oral contraceptives and to have had a hysterectomy or bilateral oophorectomy.
The Smoking Impact score estimated from responses to standardized questions differing primarily from SF-36 in terms of specific attribution to smoking was consistently more valid than the generic SF-36, in both German and US samples.
When combining morphological and molecular data a cladogram quite similar to that obtained by Shultz's [ 16] morphological analysis was recovered; the 'total evidence' analysis differing primarily from Shultz's results in its placement of Amblypygi (whip spiders).
Since this work was completed, Promega has begun offering the Maxwell 16 LEV Plant DNA Kit (AS1420), differing primarily from the protocol here in that the kit does not contain Proteinase K or require any incubation time.
This view is supported by recent evidence that the sealing zone consists of structural units clearly related to individual podosomes, which differ primarily in density and inter-connectivity from the podosome belts observed on other substrates [24].
The AGPP small subunit gene sequences from various eudicots and monocots differ primarily in exon (James et al. 2003).
They differ primarily in that the elongate canaliculate rostellum characteristic of A. keiskeoides is absent from A. wenshanense.
We compared curves obtained for NF and CFS networks, identifying threshold p-values where networks differed primarily in structure from those where they differed in both structure and size.
The new motif (NFIB_MEME) ranks twentieth according to MAS, despite being highly similar to the SELEX-based NFIB motif, from which it differs primarily in the preference for an 'A' in the right-most position.
Tripal differs primarily from these tools through tight coupling with a CMS (i.e. Drupal) which provides for site expandability outside of the realm of genomics, as well as providing authentication, user management and incorporation of non-genomic content.
