RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD June 15
VO 241
IS 24
SP 2654
OP 2657
DO 10.1001/jama.1979.03290500056033
UL http://dx.doi.org/10.1001/jama.1979.03290500056033
AB