1.
Ned Tijdschr Geneeskd
; 135(18): 785-8, 1991 May 04.
Article
in Dutch
| MEDLINE
| ID: mdl-2052094
2.
Trop Doct
; 20(3): 111-3, 1990 Jul.
Article
in English
| MEDLINE
| ID: mdl-2219420