RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD November 30
VO 242
IS 22
SP 2474
OP 2474
DO 10.1001/jama.1979.03300220076042
UL http://dx.doi.org/10.1001/jama.1979.03300220076042
AB