The document discusses the patient referral system in Tanzania's health care system. It describes the hierarchical structure of the health care system, with dispensaries, health centers, district hospitals, regional hospitals, and national hospitals. Patients are typically referred from lower to higher levels of care. The referral system aims to promote access to appropriate care. However, it faces challenges like lack of transportation and delays. Improving transportation infrastructure and ensuring adequate funding for facilities could help strengthen the patient referral system.