RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD March 16
VO 241
IS 11
SP 1174
OP 1176
DO 10.1001/jama.1979.03290370072038
UL http://dx.doi.org/10.1001/jama.1979.03290370072038
AB