TY - RPRT TI - Impedance loading servo pump system for excised canine ventricle. AU - K Sunagawa AU - D Burkhoff AU - K O Lim AU - K Sagawa PY - 1982 DO - 10.1152/ajpheart.1982.243.2.h346 UR - https://pubmed.ncbi.nlm.nih.gov/7114243/ ID - 7114243 ER -