title: Borderline hypertension versus normotension: differential response to orthostatic stress.
mesh_terms: D000328:Adult; D000337:Aerospace Medicine; D001794:Blood Pressure; D001795:Blood Pressure Determination / Q000295:instrumentation / Q000379:methods; D006339:Heart Rate; D006801:Humans; D006973:Hypertension / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D011187:Posture