(Q33914392)
Statements
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Vaccination coverage and timeliness in three South African areas: a prospective study (English)
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Ingunn M S Engebretsen
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Halvor Sommerfelt
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PROMISE-EBF Study Group
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Wanga Zembe
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Debra Jackson
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David Sanders
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27 May 2011
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11
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404
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27 May 2011
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Identifiers
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