by Thomas, David B., Ray, Roberta M., Pardthaisong, Tieng, Chutivongse, Supawat, Koetsawang, Suporn, Silpisornosol, Suporn, Virutamasen, Pramuan, Christopherson, William M., Melnick, Joseph L., Meirik, Olav, Farley, Timothy M. M., Riotton, Gustave
Published in American journal of epidemiology (15.04.1996)