Propranolol abuse or performer's maturation?
D005239:Fear / Q000187:drug effects*; D006801:Humans; D009146:Music; D010200:Panic / Q000187:drug effects*; D011433:Propranolol / Q000627:therapeutic use*; D013315:Stress, Psychological / Q000517:prevention & control*; D019966:Substance-Related Disorders
D011433:Propranolol