00770nam a2200157 a 4500 20220920020606.0 120707s19uu xx 00 eng d Discovery Channel 26915 Understanding [videorecording]: viruses / Discovery Channel. Quezon City : Magna Vision, c2004. 1 videodisc (51 mins.) Discovery Channel ; School 26916 Understading: Viruses explains how these submicroscopic parasites operate, and how your immune systems works to defend you. And see how scientists are making radical new attempts to use invading viruses as agents of healing. Virus diseases. 26917 OLOPSC 86513 86513 0 0 lcc 0 0 HSLRC HSLRC AV 2022-09-20 1 RC 114.5 D57un 2004 VCD0262HS 2023-11-28 00:00:00 2022-09-20 VM