In it, he described such advanced procedures as the use of catgut for internal stitching, the removal of bladder stones using an instrument inserted through the urinary passage, thyroidectomy, and the removal of cataracts.
فقد وضع دائرة معارف تتضمن ٣٠ مقالة ،‏ احداها بحث في الجراحة مؤلف من ٣٠٠ صفحة .‏