RT Journal T1 DEclining incidence of hepatitis a—reply JF JAMA JO JAMA YR 2006 FD January 18 VO 295 IS 3 SP 282 OP 282 DO 10.1001/jama.295.3.282-b UL http://dx.doi.org/10.1001/jama.295.3.282-b AB