RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD June 29
VO 241
IS 26
SP 2823
OP 2824
DO 10.1001/jama.1979.03290520047028
UL http://dx.doi.org/10.1001/jama.1979.03290520047028
AB