ArticleBMJ (Clinical research ed.)2003
Paying for bmj.com: is this measure scientific literature's half open sesame?
Clarence C Tam et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.
ArticleBMJ (Clinical research ed.)2003
Clarence C Tam et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.