Does nutritionist review of a self-administered food frequency questionnaire improve data quality?
| Autor: | Caan BJ, Lanza E, Schatzkin A, Coates AO, Brewer BK, Slattery ML, Marshall JR, Bloch A, Caan, B J, Lanza, E, Schatzkin, A, Coates, A O, Brewer, B K, Slattery, M L, Marshall, J R, Bloch, A |
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| Zdroj: | Public Health Nutrition; Oct1999, Vol. 2 Issue 4, p565-569, 5p |
| Databáze: | Complementary Index |
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