Access to medical services means that you use health and medical services periodically in order to be having the best outcomes of health.
This access requires 3 important steps or factors which are:
1- To gain an entry permission to a health-care system. You can usually achieve this by using an insurance coverage
2- To gain access to the specified locations/departments that provide you with the needed health services or checks
3- To build a trustworthy relationship with a health-care provider