<a href="/offers/521671a0-ae73-428f-ad29-861417b59bc9">Pediatric Allogeneic Bone Marrow Transplantation at Motol University Hospital, Prague, Czechia</a> - €279,474, and <a href="/offers/61613305-5de0-4451-9397-153273ccbe94">Brain Tumor Removal Operation | Clinic for Neurosurgery at Motol University Hospital</a> - €38,700 are costly otolaryngology (ent) offers.