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GOETZ RH, NELLEN M.GOETZ RH, et al. Among authors: nellen m.S Afr Med J. 1953 May 2;27(18):360-7.S Afr Med J. 1953.PMID: 13076686No abstract available.
GOETZ RH, NELLEN M, SCHRIRE V, VOGELPOEL L.GOETZ RH, et al. Among authors: nellen m.S Afr Med J. 1957 May 25;31(21):504-14.S Afr Med J. 1957.PMID: 13442738No abstract available.
SCHRIRE V, VOGELPOEL L, PHILLIPS W, NELLEN M.SCHRIRE V, et al. Among authors: nellen m.S Afr Med J. 1955 Nov 26;29(48):1108-14.S Afr Med J. 1955.PMID: 13281660No abstract available.