1931 T. C. Angus et al. in B. 108 340 We think the provisional adoption of a name is justified..and suggest ‘Calciferol’ in view of the high antirachitic activity of the substance.
1942 I. 31/1 The first few almost microscopic crystals of calciferol were inspected by enthusiastic chemists.
1964 S. Duke-Elder (ed. 14) xv. 174 Cases of lupus frequently respond to calciferol.