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Selection bias: neighbourhood controls and controls selected from those presenting to a Health Unit in a case control study of efficacy of BCG revaccination

✍ Scribed by Odimariles MS Dantas; Ricardo AA Ximenes; Maria de Fatima PM de Albuquerque; Ulisses R Montarroyos; Wayner V de Souza; Patrícia Varejão; Laura C Rodrigues


Book ID
115008774
Publisher
BioMed Central
Year
2007
Tongue
English
Weight
238 KB
Volume
7
Category
Article
ISSN
1471-2288

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