[Paul Karrer (1889-1971)].
D002338:Carotenoids; D002625:Chemistry, Organic / Q000193:education / Q000266:history*; D049673:History, 20th Century; D009613:Nobel Prize; D013557:Switzerland; D014815:Vitamins
D014815:Vitamins; D002338:Carotenoids
Paul Karrer (1889-1971.