title: Methotrexate, pneumonitis, and infection.
authors.forename: A A
authors.initials: AA
authors.lastname: Stenger
authors.forename: P M
authors.initials: PM
authors.lastname: Houtman
mesh_terms: D006801:Humans; D008727:Methotrexate / Q000009:adverse effects*; D011014:Pneumonia / Q000209:etiology*; D011020:Pneumonia, Pneumocystis / Q000150:complications*
chemical_list: D008727:Methotrexate