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Davis S, Severson RK.Davis S, et al. Among authors: severson rk.Lancet. 1987 Oct 17;2(8564):910-1. doi: 10.1016/s0140-6736(87)91393-6.Lancet. 1987.PMID: 2889100No abstract available.
Severson RK, Davis S, Polissar L.Severson RK, et al.Br Med J (Clin Res Ed). 1982 Jul 17;285(6336):214. doi: 10.1136/bmj.285.6336.214-b.Br Med J (Clin Res Ed). 1982.PMID: 6807425Free PMC article.No abstract available.