RT Journal Article SR Electronic T1 Drug sample availability and prescribing behavior. JF The Journal of the American Board of Family Practice JO J Am Board Fam Med FD American Board of Family Medicine SP 509 OP 509 VO 15 IS 6 A1 Steve A Watts A1 William H Replogle A1 Sara L Noble A1 Diane K Beebe YR 2002 UL http://www.jabfm.org/content/15/6/509.1.abstract