title: Estimation of rat brain acetylcholine. I. Effect of time lapse between killing and freezing of the brain.
mesh_terms: D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001923:Brain Chemistry; D005615:Freezing; D051381:Rats; D013997:Time Factors; D014021:Tissue Preservation
chemical_list: D000109:Acetylcholine