Brain acetylcholine studies: a new extraction procedure.
D000096:Acetone; D000109:Acetylcholine / Q000032:analysis*; D000818:Animals; D001001:Anura; D001681:Biological Assay; D001923:Brain Chemistry; D002498:Centrifugation; D002854:Chromatography, Paper; D000431:Ethanol; D005561:Formates; D005615:Freezing; D006168:Guinea Pigs; D008297:Male; D009584:Nitrogen; D051381:Rats; D014238:Trichloroacetic Acid
D005561:Formates; D000096:Acetone; D000431:Ethanol; D014238:Trichloroacetic Acid; D009584:Nitrogen; D000109:Acetylcholine