title: Jules Janssen (1824-1907): from ophthalmology to astronomy.
authors: Centre Médical Ophtalmologique, Albi, France.
authors: P
authors: P
authors: Amalric
mesh_terms: D001256:Astronomy / Q000266:history*; D005602:France; D049672:History, 19th Century; D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history* / Q000295:instrumentation