"Great, Croatia as Medical Tourism Destination is wonderful and reliable. Once I got visa of Croatian for medical treatment (weight loss) but could not fly because of lack of information regarding travelling. Actually we don't have any…"
First, I would recommend you to read this page about the opportunities: http://en.bgf.hu/the_bss/internationalrelations. Considering that Pakistan is not the part of Erasmus or Ceepus Programs, only this one is left: