title: Letter: Virus-like particles in hepatitis-A-positive faecal extracts.
mesh_terms: D000328:Adult; D005243:Feces / Q000382:microbiology*; D006506:Hepatitis A / Q000382:microbiology*; D006507:Hepatovirus / Q000302:isolation & purification*; D006801:Humans; D008854:Microscopy, Electron