title: Out-of-proportion pulmonary hypertension: a paradigm for rare diseases.
authors.affiliation: U.O. di Pneumologia e UTIR, Servizio di Fisiopatologia Respiratoria e di Emodinamica Polmonare, Ospedale San Giuseppe, MultiMedica, Milan, Italy. Electronic address: sharari@ilpolmone.it.
authors.forename: Sergio
authors.initials: S
authors.lastname: Harari
mesh_terms: D005260:Female; D006646:Histiocytosis, Langerhans-Cell / Q000150:complications*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology* / Q000628:therapy*; D008297:Male