title: Unidentified virus-like particles in the intestine of patients with the acquired immunodeficiency syndrome.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000382:microbiology*; D000293:Adolescent; D000328:Adult; D001344:Autopsy; D006801:Humans; D007082:Ileum / Q000382:microbiology; D007413:Intestinal Mucosa / Q000382:microbiology*; D008297:Male; D008854:Microscopy, Electron; D011467:Prostate / Q000382:microbiology; D012007:Rectum / Q000382:microbiology; D012469:Salivary Glands / Q000382:microbiology; D013737:Testis / Q000382:microbiology; D014771:Virion / Q000302:isolation & purification*