호찌민으로 올 때 세계친선협회(PACCOM)로부터 메콩강 빈롱성에 병원을 세워달라는 요청을 받았다.
When he came to Ho Chi Minh, he was asked by the World Friendship Association (PACCOM) to set up a hospital in Binlong Province on the Mekong River.