Dave Ohlson

After a couple days operating on people in Iquitos, Peru, we realize we're going to need some more patients.

We started with about 50 candidates, with hernias, tumors or unidentified pains. But most were excluded for a variety of reasons. Some were too old or weak, and we feared complications ...

Shortly after finishing my second year of medical school I have come to Iquitos, Peru. With a population of nearly half a million, it is the world's largest city inaccessible by road. Iquitos is located along the Amazon River, so the only way to get here is by boat or ...