RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD December 21
VO 242
IS 25
SP 2800
OP 2801
DO 10.1001/jama.1979.03300250056034
UL http://dx.doi.org/10.1001/jama.1979.03300250056034
AB