Sustained effectiveness and cost-effectiveness of Counselling for Alcohol Problems, a brief psychological treatment for harmful drinking in men, delivered by lay counsellors in pri... oleh Abhijit Nadkarni, Helen A Weiss, Benedict Weobong, David McDaid, Daisy R Singla, A-La Park, Bhargav Bhat, Basavaraj Katti, Jim McCambridge, Pratima Murthy, Michael King, G Terence Wilson, Betty Kirkwood, Christopher G Fairburn, Richard Velleman, Vikram Patel