Chemistry claim provokes strong reaction.
Abbott
Alison
A
D002621:Chemistry / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D008404:Massachusetts; D009613:Nobel Prize; D011789:Quantum Theory; D014805:Vitamin B 12 / Q000138:chemical synthesis
D014805:Vitamin B 12