Second Book of Paralipomenon (Author Compiled by Isaias and Esdras from records of Nathan, Gad, Addo, Ahias, Jehu and others.)
Chapter 16
12And Asa fell sick in the nine and thirtieth year of his reign, of a most violent pain in his feet, and yet in his illness he did not seek the Lord, but rather trusted in the skill of physicians.
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.