RT Journal T1 ERror in cutoff points JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1999 FD June 14 VO 159 IS 11 SP 1176 OP 1176 DO 10.1001/archinte.159.11.1176 UL http://dx.doi.org/10.1001/archinte.159.11.1176 AB We regret any inconvenience this may have caused our readers.