RT Journal A1 Jaymes D T1 LIterature and medicine JF JAMA JO JAMA YR 1989 FD April 28 VO 261 IS 16 SP 2424 OP 2424 DO 10.1001/jama.1989.03420160162044 UL http://dx.doi.org/10.1001/jama.1989.03420160162044 AB