Thank OED.com for this quote:
1946 Nature, The mobilization of lipochrome..in the serum of strogenized or actively laying fowl must..be familiar to all who have prepared phospholipid extracts from the sera of such birds.
1946 Nature, The mobilization of lipochrome..in the serum of strogenized or actively laying fowl must..be familiar to all who have prepared phospholipid extracts from the sera of such birds.