TY  - JOUR
T1  - QUestions and answers
Y1  - 1959/10/31
N1  - 10.1001/jama.1959.03010270109034
JO  - Journal of the American Medical Association
SP  - 1273
EP  - 1276
VL  - 171
IS  - 9
N2  - 
SN  - 0002-9955
M3  - doi: 10.1001/jama.1959.03010270109034
UR  - http://dx.doi.org/10.1001/jama.1959.03010270109034
ER  -