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Halonen M, Stern D, Taussig LM, Wright A, Ray CG, Martinez FD.Halonen M, et al. Among authors: ray cg.Am Rev Respir Dis. 1992 Oct;146(4):866-70. doi: 10.1164/ajrccm/146.4.866.Am Rev Respir Dis. 1992.PMID: 1416412
Taussig LM, Wright AL, Morgan WJ, Harrison HR, Ray CG.Taussig LM, et al. Among authors: ray cg.Am J Epidemiol. 1989 Jun;129(6):1219-31. doi: 10.1093/oxfordjournals.aje.a115242.Am J Epidemiol. 1989.PMID: 2729258
Quan SF, Witten ML, Grad R, Sobonya RE, Ray CG, Dambro NN, Lemen RJ.Quan SF, et al. Among authors: ray cg.Am Rev Respir Dis. 1990 Feb;141(2):414-20. doi: 10.1164/ajrccm/141.2.414.Am Rev Respir Dis. 1990.PMID: 2154153
Grad R, Sobonya RE, Witten ML, Quan SF, Ray CG, Devine LC, Lentz LA, Lemen RJ.Grad R, et al. Among authors: ray cg.Am Rev Respir Dis. 1990 Sep;142(3):691-9. doi: 10.1164/ajrccm/142.3.691.Am Rev Respir Dis. 1990.PMID: 2167625
Lemen RJ, Quan SF, Witten ML, Sobonya RE, Ray CG, Grad R.Lemen RJ, et al. Among authors: ray cg.Am Rev Respir Dis. 1990 Jan;141(1):199-207. doi: 10.1164/ajrccm/141.1.199.Am Rev Respir Dis. 1990.PMID: 2153354