RT Journal T1 CUltural differences and preventive practices JF JAMA JO JAMA YR 1999 FD June 2 VO 281 IS 21 SP 2056 OP 2056 DO 10.1001/jama.281.21.2056 UL http://dx.doi.org/10.1001/jama.281.21.2056 AB