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Int J Epidemiol. 2012 Apr;41(2):393-7. doi: 10.1093/ije/dys049.

Classification of epidemiological study designs.

Author information

1
Faculty of Epidemiology and Population Health, London School of Hygiene and Tropical Medicine, UK. neil.pearce@lshtm.ac.uk
PMID:
22493323
DOI:
10.1093/ije/dys049
[Indexed for MEDLINE]

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