RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD December 14
VO 242
IS 24
SP 2712
OP 2712
DO 10.1001/jama.1979.03300240050029
UL http://dx.doi.org/10.1001/jama.1979.03300240050029
AB