Summing up evidence: One answer is not always enough.
Lau, Joseph; Ioannidis, John P.A.; Schmid, Christopher H.; Lancet, 1998, vol. 351, issue 9096, p 123, ISSN 00995355. ISBN 00995355.

Full Text Resources Located for this Citation

View article on EBSCOhost(Login required)
View article via CrossRef