intravenous injection of 2 mg naloxone produced a rapid and pronounced rise of blood flow ( 6.3 +/- 5.0 to 67.0 +/- 15.1 ml min-1 100 ml-1 ) and skin temperature ( 28.3 +/- 3.0 to 32.4 +/- 1.2 degrees c ) in the finger and hand of seven of ten normal volunteers .
C0016129
finger
C0018563
hand