TI  - CArotin and vitamin a
PT  - JOUR
DP  - 1929
TA  - Journal of the American Medical Association
pages = {1867-1868},
VI  - 92
IP  - 22
AID  - 10.1001/jama.1929.02700480057017 [doi]
4100  - http://dx.doi.org/10.1001/jama.1929.02700480057017
SO  - Journal of the American Medical Association June 1, 1929 92(22):1867