Chen, W [Defense mechanism of viral immunologic escape and its preventive measurements]. [electronic resource] - Zhonghua yi xue za zhi Apr 1999 - 314-6 p. digital Publication Type: Journal Article; Review ISSN: 0376-2491 Subjects--Topical Terms: AnimalsCytomegalovirus--immunologyHerpesvirus 3, Human--immunologyHerpesvirus 4, Human--immunologyHumansImmunity