1.
Public Health Rep
; 121 Suppl 1: 235-41; discussion 234, 2006.
Article
in English
| MEDLINE
| ID: mdl-16550784
2.
Boletín de la Oficina Sanitaria Panamericana (OSP)
; 37(2): 138-53, ago. 1954. Tab
Article
in Spanish
| PAHO
| ID: pah-36859
3.
4.
Boletín de la Oficina Sanitaria Panamericana (OSP)
; 37(2),ago. 1954 Tab
Article
| PAHO-IRIS
| ID: phr-12064
ABSTRACT
WHO Bull 10(4): 1954 (English)