@article{oai:tsukuba.repo.nii.ac.jp:00025169,
 author = {Naka, Izumi and Ohashi, Jun and 大橋, 順},
 issue = {8},
 journal = {PLOS ONE},
 month = {Aug},
 title = {No Evidence for Strong Recent Positive Selection Favoring the 7 Repeat Allele of VNTR in the DRD4 Gene},
 volume = {6},
 year = {2011}
}