Britt (DiBenedetti) DM, Collins FL, Cohen LM. Cigarette smoking and chewing gum use among college students. J Appl Biobehav Res. 2007 Jun 4;4(2):85-90. doi: 10.1111/j.1751-9861.1999.tb00057.x
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.
Hershey N, Cann CI, Rothman KJ. Reply: overcoming hurdles to epidemiologic research. E & HR. 1985 Mar;7(2):9. doi: 10.2307/3564146
Cann CI, Rothman KJ. IRBs and epidemiologic research: how inappropriate restrictions hamper studies. E & HR. 1984 Jul;6(4):5-7. doi: 10.2307/3564590