BMJ. 1996 Dec 14;313(7071):1555; author reply 1555-6. doi: 10.1136/bmj.313.7071.1555a.
BMJ (Clinical research ed.)
C K Connolly
PMID: 8978264 PMCID: PMC2353060 DOI: 10.1136/bmj.313.7071.1555a
[No abstract available.]