If your Medicine is high enough (I think it's Medicine, anyway), you'll figure out the direct route yourself.
Ah, he joy of pathology! (ahem)
Anyway, the locations are fairly near each other, not clear across the map, so at least you don't have to fight through lots of encounters to check them out.
Be ready to bounce back and forth, though, and possibly deal with a bugged quest (this quest is known for being buggy).