Regulations and integrations.
D002170:Canada; D004500:Education, Graduate; D049672:History, 19th Century; D049673:History, 20th Century; D009482:Neurophysiology / Q000266:history; D010827:Physiology / Q000193:education / Q000266:history*; D012958:Societies, Scientific; D006113:United Kingdom; D014481:United States