Increase in frequency of citation by SCIE journals of non-Medline journals after listing in an open access full-text database
1983 ◽
Vol 40
(10)
◽
pp. 1613-1615
Keyword(s):
2002 ◽
Vol 7
(4)
◽
pp. 35-44
◽
Keyword(s):
2016 ◽
Keyword(s):