1.
Rev Panam Salud Publica
; 22(4): 294, 2007 Oct.
Article
in English
| MEDLINE
| ID: mdl-18078593
2.
Rev. panam. salud pública
; 22(4): 294-294, oct. 2007.
Article
in English
| LILACS
| ID: lil-470744
3.
Rev Panam Salud Publica
; 22(4),oct. 2007
Article
| PAHO-IRIS
| ID: phr-7769