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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
Griffin MR, Taylor JA, Daugherty JR, Ray WA.Griffin MR, et al. Among authors: ray wa.Pediatrics. 1992 Apr;89(4 Pt 1):640-2.Pediatrics. 1992.PMID: 1557243Clinical Trial.
Griffin MR, Piper JM, Daugherty JR, Snowden M, Ray WA.Griffin MR, et al. Among authors: ray wa.Ann Intern Med. 1991 Feb 15;114(4):257-63. doi: 10.7326/0003-4819-114-4-257.Ann Intern Med. 1991.PMID: 1987872Clinical Trial.