AU - Hewitt RL, Matsumoto T TI - ARmy heart pump for postsystolic augmentation PT - JOUR DP - 1969 TA - Archives of Surgery pages = {88-91}, VI - 99 IP - 1 AID - 10.1001/archsurg.1969.01340130090017 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.1969.01340130090017 SO - Archives of Surgery July 1, 1969 99(1):88