title: Postural hypotension and confusing chemistries.
authors.forename: J P
authors.initials: JP
authors.lastname: Kassirer
authors.forename: R I
authors.initials: RI
authors.lastname: Kopelman
mesh_terms: D005260:Female; D006801:Humans; D007010:Hyponatremia / Q000209:etiology*; D007018:Hypopituitarism / Q000209:etiology*; D007024:Hypotension, Orthostatic / Q000209:etiology*; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000150:complications*