there's several pics of a MI-2 Ambo on posted here somewhere ..... (see sample below).
quite a few ..... off the top of my head ....
the obvious - Ju-52, DC-3, C-46, C-124 Globemaster (korean war).
Storch, PiperCub, Auster, Stuka (pods), Dragon Rapide, Cant 506, P-38 (modded drop-tanks), OV-10 Bronco (medevac was part of the design criteria), Transavia Airtruk, Spassatel (2nd "Loon" ekranoplan - 7 flight-crew + 490 medics/patients)