title: Down-regulation of endogenous nitric oxide production after prolonged administration.
authors.forename: A J
authors.initials: AJ
authors.lastname: Petros
mesh_terms: D015536:Down-Regulation; D006801:Humans; D007223:Infant; D009569:Nitric Oxide / Q000008:administration & dosage* / Q000494:pharmacology / Q000502:physiology*; D011667:Pulmonary Veins / Q000187:drug effects; D014661:Vasoconstriction / Q000187:drug effects
chemical_list: D009569:Nitric Oxide