1.
Boletín de la Oficina Sanitaria Panamericana (OSP)
; 86(5),mayo 1979
Article
| PAHO-IRIS
| ID: phr-17375
2.
Jamaican Nurse
; 16(3): 11-2, 39, 1976 Dec.
Article
in English
| MEDLINE
| ID: mdl-1051896