title: Comment on the review by Joshi and Buehring.
authors.forename: James F
authors.initials: JF
authors.lastname: Holland
authors.forename: Beatriz G-T
authors.initials: BG
authors.lastname: Pogo
mesh_terms: D001943:Breast Neoplasms / Q000821:virology*; D005260:Female; D004854:Herpesvirus 4, Human / Q000302:isolation & purification*; D006801:Humans; D008324:Mammary Tumor Virus, Mouse / Q000302:isolation & purification*; D027383:Papillomaviridae / Q000302:isolation & purification*