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Bobo WV, Cooper WO, Epstein RA Jr, Arbogast PG, Mounsey J, Ray WA.Bobo WV, et al. Among authors: ray wa.BMC Med Res Methodol. 2011 Nov 23;11:157. doi: 10.1186/1471-2288-11-157.BMC Med Res Methodol. 2011.PMID: 22112194Free PMC article.
Cooper WO, Hickson GB, Mitchel EF Jr, Ray WA.Cooper WO, et al. Among authors: ray wa.Pediatrics. 1999 Sep;104(3 Pt 1):525-9. doi: 10.1542/peds.104.3.525.Pediatrics. 1999.PMID: 10469780
Cooper WO, Hickson GB, Mitchel EF Jr, Edwards KM, Thapa PB, Ray WA.Cooper WO, et al. Among authors: ray wa.Am J Epidemiol. 1999 Sep 1;150(5):517-27. doi: 10.1093/oxfordjournals.aje.a010041.Am J Epidemiol. 1999.PMID: 10472952
Cooper WO, Ray WA, Griffin MR.Cooper WO, et al. Among authors: ray wa.Obstet Gynecol. 2002 Jul;100(1):101-6. doi: 10.1016/s0029-7844(02)02001-x.Obstet Gynecol. 2002.PMID: 12100810
Cooper WO, Staffa JA, Renfrew JW, Graham DJ, Ray WA.Cooper WO, et al. Among authors: ray wa.Ambul Pediatr. 2002 Sep-Oct;2(5):375-81. doi: 10.1367/1539-4409(2002)002<0375:ocuaci>2.0.co;2.Ambul Pediatr. 2002.PMID: 12241133
Ray WA, Stein CM, Daugherty JR, Hall K, Arbogast PG, Griffin MR.Ray WA, et al.Lancet. 2002 Oct 5;360(9339):1071-3. doi: 10.1016/S0140-6736(02)11131-7.Lancet. 2002.PMID: 12383990
Butler J, Arbogast PG, BeLue R, Daugherty J, Jain MK, Ray WA, Griffin MR.Butler J, et al. Among authors: ray wa.J Am Coll Cardiol. 2002 Nov 6;40(9):1589-95. doi: 10.1016/s0735-1097(02)02379-3.J Am Coll Cardiol. 2002.PMID: 12427410Free article.