title: [Haemophilia--an incurable disease of Cesarevitch Aleksey Nikolaevich Romanov].
authors.forename: M I
authors.initials: MI
authors.lastname: Davidov
mesh_terms: D005197:Famous Persons; D006467:Hemophilia A / Q000209:etiology / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D008297:Male; D010375:Pedigree; D012426:Russia