Authors:
Hakim, IA
Hartz, V
Harris, RB
Balentine, D
Weisgerber, UM
Graver, E
Whitacre, R
Alberts, D
Citation: Ia. Hakim et al., Reproducibility and relative validity of a questionnaire to assess intake of black tea polyphenols in epidemiological studies, CANC EPID B, 10(6), 2001, pp. 667-678