TY - BOOK AU - Crisostomo,Sheila AU - Catindig,Raymund AU - Lazaro,Ramon Efren AU - Villanueva,Edwin TI - Blood needed from patients who recovered: by Sheila Crisostomo with Raymund Catindig, Ramon Efren Lazaro, Ralph Edwin Villanueva KW - Blood KW - Antibodies KW - COVID-19 UR - http://elibrary.doh.gov.ph/cgi-bin/koha/opac-retrieve-file.pl?id=5643fdc400953e22fb30b621aa998daa ER -