RT Journal
T1 SElected abstracts
JF JAMA
JO JAMA
YR 1979
FD November 30
VO 242
IS 22
SP 2480
OP 2490
DO 10.1001/jama.1979.03300220080045
UL http://dx.doi.org/10.1001/jama.1979.03300220080045
AB