[Preventive medicine and Social Security].
D003140:Communicable Disease Control / Q000266:history; D006291:Health Policy; D049672:History, 19th Century; D049673:History, 20th Century; D011315:Preventive Medicine / Q000266:history; D012943:Social Security / Q000458:organization & administration; D013030:Spain
Medicina preventiva y Seguridad Social.