title: The covariation of blood pressure and pulse transit time in hypertensive patients.
mesh_terms: D000368:Aged; D000680:Amyl Nitrite / Q000494:pharmacology; D001794:Blood Pressure / Q000187:drug effects; D003080:Cold Temperature; D006801:Humans; D006973:Hypertension / Q000503:physiopathology*; D007537:Isometric Contraction; D008875:Middle Aged; D011340:Problem Solving / Q000502:physiology; D011674:Pulse / Q000187:drug effects; D012063:Relaxation; D013312:Stress, Physiological / Q000503:physiopathology; D014636:Valsalva Maneuver
chemical_list: D000680:Amyl Nitrite