TY - SER TI - American Journal of Physiology. Heart and circulatory physiology SN - 03636135 CY - Bethesda, Md. PB - American Physiological Society KW - Circulatory System KW - Heart KW - Periodicals KW - Physiology N1 - Online journal of pages lettered H in the printed consolidated edition UR - http://ajpheart.physiology.org UR - http://ajpheart.physiology.org/cgi/etoc ER -