PMID: 13722628 [PubMed - indexed for MEDLINE]
Bol Oficina Sanit Panam. 1968 Jul; 65(1):46-51.
[Bol Oficina Sanit Panam. 1968]
Bol Oficina Sanit Panam. 1969 Sep; 67(3):233-8.
[Bol Oficina Sanit Panam. 1969]
Bol Oficina Sanit Panam. 1967 Jun; 62(6):531-7.
[Bol Oficina Sanit Panam. 1967]
Educ Med Salud. 1982; 16(4):498-505.
[Educ Med Salud. 1982]
Ying Yong Sheng Tai Xue Bao. 2007 Jul; 18(7):1647-53.
[Ying Yong Sheng Tai Xue Bao. 2007]
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