When leaders become ill.
Collins
C
C
D000422:Alchemy; D004739:England; D005197:Famous Persons; D006076:Government / Q000266:history*; D049670:History, 17th Century; D006801:Humans; D001523:Mental Disorders / Q000139:chemically induced*; D008630:Mercury Poisoning / Q000266:history*; D013587:Syphilis / Q000188:drug therapy