RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD May 4
VO 241
IS 18
SP 1935
OP 1935
DO 10.1001/jama.1979.03290440057035
UL http://dx.doi.org/10.1001/jama.1979.03290440057035
AB