title: "The vast investment in research into the role of viruses in human cancer has largely been wasted because there is still little firm evidence for such a role".
mesh_terms: D000818:Animals; D006801:Humans; D009369:Neoplasms / Q000382:microbiology*; D009374:Neoplasms, Experimental / Q000382:microbiology; D009858:Oncogenic Viruses; D014412:Tumor Virus Infections