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Cromwell O, Hamid Q, Corrigan CJ, Barkans J, Meng Q, Collins PD, Kay AB.Cromwell O, et al. Among authors: collins pd.Immunology. 1992 Nov;77(3):330-7.Immunology. 1992.PMID: 1478679Free PMC article.
Griffiths-Johnson DA, Collins PD, Rossi AG, Jose PJ, Williams TJ.Griffiths-Johnson DA, et al. Among authors: collins pd.Biochem Biophys Res Commun. 1993 Dec 30;197(3):1167-72. doi: 10.1006/bbrc.1993.2599.Biochem Biophys Res Commun. 1993.PMID: 7506538