I believe the quality and breadth of Cuba's medical system rises to the level of conventional wisdom[1][2].

Edit: I forgot to link statistics for the country itself, not just the doctors they send abroad. They perform admirably against both the U.S. and most European countries[3].

[1]: https://en.wikipedia.org/wiki/Cuban_medical_internationalism

[2]: https://time.com/5467742/cuba-doctors-export-brazil/

[3]: https://en.wikipedia.org/wiki/Healthcare_in_Cuba#Health_stat...