Ioan Puşcaş is a gastroenterologist, born in Treznea, Sălaj, Romania. In the 1970s, he proposed the use of carbonic anhydrase (CA) inhibitor acetazolamide to heal peptic ulcers. Wikipedia
The definitive Wikipedia entry for Ioan Puşcaş. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Ioan_Pu%c5%9fca%c5%9f