Authors: D M Parkin; P Srivatanakul; M Khlat; D Chenvidhya; P Chotiwan; S Insiripong; K A L'Abbé; C P Wild Journal: Int J Cancer Date: 1991-05-30 Impact factor: 7.396
Authors: E S Upatham; V Viyanant; S Kurathong; J Rojborwonwitaya; W Y Brockelman; S Ardsungnoen; P Lee; S Vajrasthira Journal: Bull World Health Organ Date: 1984 Impact factor: 9.408