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Levin SE, Blumberg H, Zamit R, Schmaman A, Wagstaff L.Levin SE, et al.S Afr Med J. 1967 May 13;41(19):482-5.S Afr Med J. 1967.PMID: 6027893No abstract available.
Wagstaff LA, Firth JC, Levin SE.Wagstaff LA, et al. Among authors: levin se.S Afr Med J. 1970 Oct 3;44(39):1125-7.S Afr Med J. 1970.PMID: 5474700No abstract available.
Levin SE, Zamit R, Schmaman A.Levin SE, et al.Br Med J. 1967 Jan 21;1(5533):153-4. doi: 10.1136/bmj.1.5533.153.Br Med J. 1967.PMID: 6015650Free PMC article.No abstract available.
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Katz J, Krawitz S, Sacks PV, Metz J, Levin SE, Thomson P, Levin J.Katz J, et al. Among authors: levin j, levin se.S Afr Med J. 1972 Jun 17;46(25):848.S Afr Med J. 1972.PMID: 5076071No abstract available.
Isdale JM, Levin SE, Chappell J, Katz S, Dinner M.Isdale JM, et al. Among authors: levin se.S Afr Med J. 1973 Oct 13;47(40):1871-4.S Afr Med J. 1973.PMID: 4768663No abstract available.
Silverman NH, Katz JS, Levin SE.Silverman NH, et al. Among authors: levin se.S Afr Med J. 1973 Feb 10;47(6):219-21.S Afr Med J. 1973.PMID: 4689003No abstract available.