supported by the China Medical Board(CMB 98-678);the National“973”Key Basic Research Projects(Grant No.G19980510);the Foundation of Guangdong Science and Technology Committee(9800 1-4,980950).
In our previous study, one candidate suscepti-bility locus for familial nasopharyngeal carcinoma (NPC) has been defined to a 14.21-cM region on 4p15.1-q12, whereas the distal minimum boundary of this region remained t...