Assertion: optic nerve | /r/AtLocation | 4% pfa
Facets:
value: for 1 h
type: TEMPORAL
Source sentences:
text: Optic nerves were carefully dissected, placed in 4% PFA for 1 h, and transferred to 20% sucrose in 0.1 M PBS at 4[degrees]C overnight followed by 30% sucrose overnight at 4[degrees]C.