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Vogler LB, Crist WM, Bockman DE, Pearl ER, Lawton AR, Cooper MD.Vogler LB, et al. Among authors: pearl er.N Engl J Med. 1978 Apr 20;298(16):872-8. doi: 10.1056/NEJM197804202981603.N Engl J Med. 1978.PMID: 305541
Vogler LB, Pearl ER, Gathings WE, Lawton AR, Cooper MD.Vogler LB, et al. Among authors: pearl er.Lancet. 1976 Aug 14;2(7981):376. doi: 10.1016/s0140-6736(76)92640-4.Lancet. 1976.PMID: 60613No abstract available.
Wykoff RF, Pearl ER, Saulsbury FT.Wykoff RF, et al. Among authors: pearl er.N Engl J Med. 1985 Jan 31;312(5):294-6. doi: 10.1056/NEJM198501313120507.N Engl J Med. 1985.PMID: 2981410No abstract available.