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241
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242Published in Revista Panamericana de Salud Pública (2000)Get access
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243Published in Revista Panamericana de Salud PúblicaGet access
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244Published in Revista Panamericana de Salud PúblicaGet access
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245Published in Revista Panamericana de Salud PúblicaGet access
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246Published in Revista Panamericana de Salud PúblicaGet access
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247
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248Published in Revista Panamericana de Salud PúblicaGet access
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249
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250
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251
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252
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253Published in Revista Panamericana de Salud PúblicaGet access
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254
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255
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256Published in Revista Panamericana de Salud Pública (1998)Get access
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257
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258Published in Revista Panamericana de Salud Pública (1999)Get access
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