sentence: Mini-osmotic pumps ( model 2001 ; 7 days pump , 1 μ l / h , Alzet Corporation , Palo Alto , CA ) filled with saline or PAFr antagonist ( WEB2086 ) [ 4 - [ 3 - [ 4 [ ( 2-Chlorophenyl ) -9 - methyl-6H-thieno [ 3 , 2-f ] [ 1,2,4 ] triazolo [ 4 , 3-a ] diazepin-2-yl ] -1 - oxopropyl ] morpholine ] ] ( Tocris Bioscience , MO , USA ) were connected to the tube .