BMJ. 1996 Dec 14;313(7071):1551-2. doi: 10.1136/bmj.313.7071.1551c.
BMJ (Clinical research ed.)
N Summerton
PMID: 8978252 PMCID: PMC2353081 DOI: 10.1136/bmj.313.7071.1551c
[No abstract available.]