The genesis of primary health care in Nigeria.
D003695:Delivery of Health Care / Q000458:organization & administration*; D006801:Humans; D009549:Nigeria; D009726:Nurses / Q000706:statistics & numerical data*; D011314:Preventive Health Services / Q000458:organization & administration*; D011320:Primary Health Care / Q000458:organization & administration*; D000078329:Workforce