Measuring the effects of vitamin A supplementation.

nork Stoltzfus, R J, Habicht, J P
Argitaratua 1993

Breast-milk vitamin A as an indicator of the vitamin A status of women and infants.

nork Stoltzfus, R. J., Underwood, B. A.
Argitaratua 1995

Implications of the Institute of Medicine weight gain recommendations for preventing adverse pregnancy outcomes in black and white women.

nork Caulfield, L E, Stoltzfus, R J, Witter, F R
Argitaratua 1998

The Burden of Parasitic Infections in Schoolchildren of Zanzibar: a Need for Integrated Control

nork Albonico, M., Chwaya, H.M., Montresor, A., Stoltzfus, R.J., Tielsch, J.M., Alawi, K.S., Savioli, L.
Argitaratua izan da East Afr Med J (1997)