By Periago Mirta Roses   Lenfant Claude   in Revista Panamericana de Salud Pública/Pan American Journal of Public Health

ISSN:1020-4989|14|5|297-297

Pan American Health Organization (PAHO)‎(2003)‎

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By Bramlage Peter   Thoenes Martin   Kirch Wilhelm   Lenfant Claude   in Current Medical Research and Opinion

ISSN:1473-4877|23|4|783-791

Informa Healthcare‎(2007)‎

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