He investigated amyotonia congenita with James Stanfield Collier ( 1870-1935 ) ( Brain, London, 1909, 32 : 269-284 ) and described the first removal of a suprarenal tumour ( by Percy Sargent ) reversing virilism in the patient.
परिभाषा
the development of male secondary sexual characteristics in a female (or prematurely in a young boy)