title: [Member number 1: Matti Ayrapaa (1852-1928)].
authors.affiliation: jaakko.ignatius@duodecim.fi
authors.forename: Jaakko
authors.initials: J
authors.lastname: Ignatius
mesh_terms: D005387:Finland; D005582:Foundations / Q000266:history*; D049672:History, 19th Century; D006801:Humans; D007857:Leadership; D008297:Male; D010506:Periodicals as Topic / Q000266:history*; D012955:Societies, Medical / Q000266:history*