AU  - Smith WB
TI  - THe two-edged sword
PT  - JOUR
DP  - 1979
TA  - JAMA
pages = {2327},
VI  - 242
IP  - 21
AID  - 10.1001/jama.1979.03300210053027 [doi]
4100  - http://dx.doi.org/10.1001/jama.1979.03300210053027
SO  - JAMA November 23, 1979 242(21):2327