Authors:
SLOAN NL
ROSEN D
DELAPAZ T
ARITA M
TEMALILWA C
SOLOMONS NW
Citation: Nl. Sloan et al., IDENTIFYING AREAS WITH VITAMIN-A-DEFICIENCY - THE VALIDITY OF A SEMIQUANTITATIVE FOOD FREQUENCY METHOD, American journal of public health, 87(2), 1997, pp. 186-191