Around 100 Gazans are transferred for treatment to Israeli hospitals every month. However, some refuse to be (or are prevented by Hamas from being) treated in Israel. So Magen David Adom helped evacuate 18 Gazans by plane to take them for treatment at a hospital in Ankara, Turkey.
http://www.jpost.com/Arab-Israeli-Conflict/GALLERY-MDA-helps-evacuate-18-wounded-Turkey-bound-Gazans-371078