00470nam a22001457a 4500 DOH 20201002151951.0 201002b ||||| |||| 00| 0 eng d Guidelines on the evaluation of hepatitis B surface antigen (HBsAg) positive workers for employment Hepatitis B Surface Antigens Guidelines Hepatology Society of the Philippines http://hsp.org.ph/docs/HepaB-2011-HSP.pdf JA 1402 1402 0 0 0 0 DOHCL DOHCL ElectronicRes 2020-10-02 0 E000057 D0001E000057 2020-10-02 00:00:00 2020-10-02 JA