History Development of applications poliomyelitis more than 100 kinds of diseases Development of the implant catgut dog's spleen,rabbit's pituitary,buffalo's suprarenal tissue, herbal catgut,etc. History Development of applications poliomyelitis – more than 100 kinds of diseases Development of the implant catgut – dog’s spleen, rabbit’s pituitary, buffalo’s suprarenal tissue, herbal catgut, etc