Investigational new drug (US) 'orphan' trials now use thalidomide from two sources.
Randall
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D004345:Drug Industry; D004893:Erythema Nodosum / Q000188:drug therapy; D006086:Graft vs Host Disease / Q000188:drug therapy; D015440:Leprosy, Lepromatous / Q000188:drug therapy; D009965:Orphan Drug Production; D013792:Thalidomide; D014481:United States
D013792:Thalidomide