TY - RPRT TI - Force-frequency relations during heart failure in pigs. AU - G P Eising AU - H K Hammond AU - G A Helmer AU - E Gilpin AU - J Ross PY - 1994 DO - 10.1152/ajpheart.1994.267.6.h2516 UR - https://pubmed.ncbi.nlm.nih.gov/7810747/ ID - 7810747 ER -