Trends in physicians in New York City. 1959 to 1970.
D003695:Delivery of Health Care; D005194:Family Practice; D006280:Health Workforce; D008505:Medical Staff, Hospital; D009519:New York City; D010820:Physicians / Q000600:supply & distribution*; D011320:Primary Health Care; D011331:Private Practice; D013038:Specialization