Chen XH, Rodríguez S, Hawe E, Talmud PJ, Miller GJ, Underhill P, Humphries SE, Day IN. Evidence of admixture from haplotyping in an epidemiological study of UK Caucasian males: implications for association analyses. Hum Hered. 2004;57(3):142-55.
Cassingham KM, Sills EO, Pattanayak SK, Mansfield CA. Voluntary conservation of North Carolina's natural heritage. J For. 2002;100(5):16-23.