title: Search for viruses in childhood leukemia and rhabdomyosarcoma.
mesh_terms: D001853:Bone Marrow / Q000473:pathology; D002648:Child; D002675:Child, Preschool; D005455:Fluorescent Antibody Technique; D006801:Humans; D007938:Leukemia / Q000382:microbiology*; D008854:Microscopy, Electron; D012190:Retroviridae / Q000302:isolation & purification; D012208:Rhabdomyosarcoma / Q000382:microbiology*; D013154:Spleen / Q000473:pathology; D013950:Thymus Gland / Q000473:pathology; D014776:Virus Cultivation