RT Journal
T1 QUestions and answers
JF JAMA
JO JAMA
YR 1979
FD November 9
VO 242
IS 19
SP 2113
OP 2117
DO 10.1001/jama.1979.03300190051029
UL http://dx.doi.org/10.1001/jama.1979.03300190051029
AB