 Andrews collected and published statistics of 92,815 cases of ether anesthesia and 117,078 cases of chloroform anesthesia, showing the relative risk in the use of these two agents.Andrews was a lifelong member of the Presbyterian Church, and a constant contributor to religious periodicals, his chief topic being the harmony of science and religion.Although he had suffered from enlarged prostate and cystitis for two or three years he attended to his professional work until the day before he went to the hospital for operation.