title: In memoriam Maria Musarella.
authors.affiliation: The Hospital for Sick Children , Toronto , Canada .
authors.forename: Elise
authors.initials: E
authors.lastname: Héon
authors.forename: Alex
authors.initials: A
authors.lastname: Levin
authors.forename: Ian M
authors.initials: IM
authors.lastname: MacDonald
mesh_terms: D005823:Genetics / Q000266:history; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009885:Ophthalmology / Q000266:history*; D010822:Physicians, Women / Q000266:history; D014481:United States