Relaxation of guinea pig trachealis during electrical field stimulation increases with age

Murphy. Relaxation of guinea pig trachealis during electri-cal field stimulation increases with age. J Appl Physiol 92: 1835–1842, 2002. First published January 4, 2002; 10.1152/ japplphysiol.00688.2001.—Our laboratory has previously shown that maturation of airway smooth muscle (ASM) con-tractility may play a role in the airway hyperresponsiveness displayed by juveniles of many species, including human