Br Med J (Clin Res Ed). 1981 May 16;282(6276):1593. doi: 10.1136/bmj.282.6276.1593.
British medical journal (Clinical research ed.)
S Burkhart
PMID: 20741535 PMCID: PMC1505551 DOI: 10.1136/bmj.282.6276.1593
[No abstract available.]