From Harvard Business Review, a great read on the six forces that drive healthcare; players, funding, policy, technology, customers and accountability. A few minutes spent with it can help you shape a market entry strategy based in reality! Written in 2006, it is a relevant today as the day it was published.
https://hbr.org/2006/05/why-innovation-in-health-care-is-so-hard
Braziller and Associates 