“The CCK-B selective antagonist L-365,260 ((3R(+)-2,3-dihydro-1-methyl-2-oxo-5-phenyl-…, 4-benzodiazepine-3yl)-N-(3-methylphenyl)-urea) was inactive up to a concentration of 30 nM. Atropine at 300 nM and 1000 … the maximal response of NAA by only … 50%, respectively.”