[No authors listed]
S Afr Med J. 1977 May 28;51(22):814.
PMID: 327588

Lloyd GJ, Abrams P.
Br Med J. 1968 May 25;2(5603):495. doi: 10.1136/bmj.2.5603.495-a.
PMID: 5648320 Free PMC Article
Free PMC Article

Bynum WF.
Clio Med. 1995;30:37-50.
PMID: 7671593

[No authors listed]
Ann R Coll Surg Engl. 1963 Dec;33:390-2.
PMID: 14100736

SCARLETT EP.
Arch Intern Med. 1962 Jun;109:758-63. doi: 10.1001/archinte.1962.03620180120013.
PMID: 14497825

PRUITT RD.
Med Rec Ann. 1962 Apr;55:61.
PMID: 14037418

VIETS HR.
Bull Hist Med. 1962 Jul-Aug;36:368-70.
PMID: 14037965