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Gay N, Ramsay M, Cohen B, Hesketh L, Morgan-Capner P, Brown D, Miller E.Gay N, et al.Commun Dis Rep CDR Rev. 1997 Feb 7;7(2):R17-21.Commun Dis Rep CDR Rev. 1997.PMID: 9046124
Gay N, Miller E, Hesketh L, Morgan-Capner P, Ramsay M, Cohen B, Brown D.Gay N, et al.Commun Dis Rep CDR Rev. 1997 Feb 7;7(2):R21-6.Commun Dis Rep CDR Rev. 1997.PMID: 9046125