APA Citation

Powell, H. D. W. (1957). Simultaneous Perforation of Benign Gastric and Duodenal Ulcers.

Chicago Style Citation

Powell, H. D. W. Simultaneous Perforation of Benign Gastric and Duodenal Ulcers. 1957.

MLA Citation

Powell, H. D. W. Simultaneous Perforation of Benign Gastric and Duodenal Ulcers. 1957.

Warning: These citations may not always be 100% accurate.