The gene(s) with ancestral character could have been lost before the divergence of the Cephalochordates on the lineage leading to the vertebrates, leaving a canonical neurotrophin to duplicate via genome duplications along the lineage leading to the vertebrates.
The yeast deletion library is comprised of 4,827 individual deletion strains, of 52 which are duplicates, leaving a total of 4775 unique deletion strains.
Twenty-four articles from OVID Medline and 32 articles from OVID PsycINFO were left for review, however 10 of these were duplicates, leaving a total of 46 articles for final review.
Surveys that were returned incomplete and duplicated were discarded, leaving a total of 84 usable questionnaires, a 47 % response.
From the potentially relevant references, 1771 duplicate references were removed, leaving a total of 8367 records to be screened by title, study design and abstract content.
A total of 184 duplicate records were found leaving a total of 1816 records to be examined.
Article titles and abstracts were examined and non-treatment studies, review, non-English and duplicate articles were removed, leaving a total of 32 studies (18 within the dementias and 14 in PD populations).
Duplicates with identical length, strain and sequence were also removed, leaving a total of 218 sequences for the analysis.
I am even immodest enough to believe that my scholarship and overall experience combined with a personal style left a legacy hard to duplicate.
If bluegrass has a guitar god, it's Rice, who has left a generation of aspiring guitarists trying to duplicate his clean, speedy, otherworldly sound.
