title: [The so-called primary pulmonary hypertension].
authors.affiliation: Divisione di Cardiologia, Ente Ospedaliero S. Carlo Borromeo, Milano.
authors.forename: M
authors.initials: M
authors.lastname: Morpurgo
authors.forename: M
authors.initials: M
authors.lastname: Saviotti
mesh_terms: D001706:Biopsy; D003937:Diagnosis, Differential; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis / Q000473:pathology / Q000601:surgery; D008168:Lung / Q000473:pathology
vernacular_title: Ancora in tema di ipertensioni polmonari cosiddette "primitive".