British Medical Journal, 1905, v.2, pp. 1280, 1330-1, 1430
Castellani demonstrated in scrapings of yaws tissue a spirochaete, T. pertenue, later found to be the causal organism. He thus finally established it as a distint organism from the syphilis spirochaete. Preliminary note in J. Ceylon. Br. med. Ass., 1905, 2, pt. 1, 54.
Morton no.: 5306
Castellani, Aldo, "On the presence of spirochaetes in two cases of ulcerated parangi (yaws)." (1905). Classic Article Collection. 262.