Authors: William L Parish; Edward O Laumann; Myron S Cohen; Suiming Pan; Heyi Zheng; Irving Hoffman; Tianfu Wang; Kwai Hang Ng Journal: JAMA Date: 2003-03-12 Impact factor: 56.272
Authors: Joseph D Tucker; Hua Peng; Kaidi Wang; Helena Chang; Sen-Miao Zhang; Li-Gang Yang; Bin Yang Journal: PLoS One Date: 2011-09-13 Impact factor: 3.240