1. A helicopter sits in the background as two medical nurses treat a patient outside the entrance to the tent of a nomadic family, Kazakhstan, USSR, 1978.
A helicopter sits in the background as two medical nurses treat a patient outside the entrance to the tent of a nomadic family, Kazakhstan, USSR, Credit: WHO, 1978.
Anne-Emanuelle Birn, and Nikolai Krementsov BMJ Glob Health 2018;3:e000992
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