Pharmaceutical composition for treating alcohol dependence in humans comprising two active ingredients:a compound having an antagonistic action on the 5-HT2 serotoninergic receptors selected as being cyproheptadine; anda compound having an antagonistic action on the alpha1-noradrenergic receptors selected from prazosin, alfuzosin, terazosin and tamsulosin. The latch mechanism includes an actuating member and a pair of ejectors. At the opposite end of the cooking chamber is a stack wall. Since the vibration of the wall of the housing is suppressed by the weight, vibration energy returns toward the bottom surface of the center of the housing through water and is radiated from the bottom surface efficiently as ultrasonic waves.