Content Provider
Informa (via Crossref)
1,191
Informa
393
ScienceDirect (Elsevier)
288
ScienceDirect (Elsevier - via Crossref)
245
Springer Nature (via Crossref)
122
SAGE Publications (via Crossref)
95
Canadian Public Health Association (via Crossref)
77
Oxford University Press (via Crossref)
59
SAGE Publications
50
Royal Society of Chemistry
24
Oxford University Press
12
Mary Ann Liebert, Inc., publishers (via Crossref)
1
Ovid
1