A semiquantitative food frequency questionnaire for use in epidemiologic research among the elderly: Validation by comparison with dietary history
Grootenhuis, Peter A., Westenbrink, Susanne, Sie, Claudia M.T.L., De Neeling, J.Nico D., Kok, Frans J., Bouter, Lex M.
Published in Journal of clinical epidemiology (01.07.1995)
Published in Journal of clinical epidemiology (01.07.1995)
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