AU  - MACDONALD A
TI  - Colored children: A psychophysical study.
PT  - JOUR
DP  - 1899
TA  - Journal of the American Medical Association
pages = {1140-1144},
VI  - XXXII
IP  - 21
AID  - 10.1001/jama.1899.92450480001002 [doi]
4100  - http://dx.doi.org/10.1001/jama.1899.92450480001002
SO  - Journal of the American Medical Association May 27, 1899 XXXII(21):1140