1.
Foro Mundial de la Salud (OMS)
; 14(1): 70-3, 1993.
Article
in Spanish
| PAHO
| ID: pah-17200
2.
World Health Forum (WHO)
; 14(1): 67-70, 1993.
Article
in English
| PAHO
| ID: pah-14123
Subject(s)
Agriculture , Fisheries , Parasitic Diseases/transmission , Wastewater , Environmental Health , Public Health , China
3.
Article
in Spanish
| WHO IRIS
| ID: who-50651
4.
Article
in French
| WHO IRIS
| ID: who-50225
5.
Article
in English
| WHO IRIS
| ID: who-50069