Department Circular No.2013-0121 s. 2013
DOH Administrative Order No. 47 s. 2000
Department Circular No. 33, s. 2004
Department Circular No. 2009-0089
Department Circular No. 2009-0089-A
Department Circular No. 2009-0167
Department Circular No. 2011-0342
Department Circular No. 2012-0231
Department Circular No. 2012-0247