RT Journal A1 Poirier S T1 LIterature and medicine JF JAMA JO JAMA YR 1989 FD November 17 VO 262 IS 19 SP 2740 OP 2740 DO 10.1001/jama.1989.03430190124045 UL http://dx.doi.org/10.1001/jama.1989.03430190124045 AB