RT Journal A1 Jaymes D T1 LIterature and medicine JF JAMA JO JAMA YR 1989 FD May 12 VO 261 IS 18 SP 2728 OP 2728 DO 10.1001/jama.1989.03420180154057 UL http://dx.doi.org/10.1001/jama.1989.03420180154057 AB