TY  - JOUR
T1  - QUestions and answers
Y1  - 1959/04/18
N1  - 10.1001/jama.1959.03000330139025
JO  - Journal of the American Medical Association
SP  - 1967
EP  - 1968
VL  - 169
IS  - 16
N2  - 
SN  - 0002-9955
M3  - doi: 10.1001/jama.1959.03000330139025
UR  - http://dx.doi.org/10.1001/jama.1959.03000330139025
ER  -