TY - BOOK AU - Crisostomo,Sheila TI - 50% of vaccinees miss second dose – IATF expert KW - 50% of vaccinees KW - second dose UR - http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=c6cae5a30203e006abd9d90f6916baa8 ER -