RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD May 18
VO 241
IS 20
SP 2206
OP 2207
DO 10.1001/jama.1979.03290460066029
UL http://dx.doi.org/10.1001/jama.1979.03290460066029
AB