1.
Trop Geogr Med
; 25(3): 242-4, 1973 Sep.
Article
in English
| MEDLINE
| ID: mdl-4752239
2.
JAMA
; 218(7): 1051, 1971 Nov 15.
Article
in English
| MEDLINE
| ID: mdl-5171037
3.
Brux Med
; 51(9): 605-8, 1971 Sep.
Article
in French
| MEDLINE
| ID: mdl-5116070