1.
Lancet
; 1(8017): 900, 1977 Apr 23.
Article
in English
| MEDLINE
| ID: mdl-67302
2.
Lancet
; 1(7919): 1304, 1975 Jun 07.
Article
in English
| MEDLINE
| ID: mdl-48941
3.
Br J Vener Dis
; 50(1): 53-6, 1974 Feb.
Article
in English
| MEDLINE
| ID: mdl-4544682