“The means of the two … fmol/ml, mean +/- SE), ACTH (2.… heroin addicts were significantly lower than those in controls (6.28 +/- 0.61, 10.1 +/- 0.74 and 364 +/- 27, … in heroin addicts (5.1 +/- 0.6) were similar to those of healthy volunteers (6.44 +/- 0.56).”