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Matis LA, Heckford SE, Longo DL.Matis LA, et al. Among authors: heckford se.Immunol Res. 1988;7(4):329-38. doi: 10.1007/BF02935537.Immunol Res. 1988.PMID: 3265713
Sommers CL, Walker-Jones D, Heckford SE, Worland P, Valverius E, Clark R, McCormick F, Stampfer M, Abularach S, Gelmann EP.Sommers CL, et al. Among authors: heckford se.Cancer Res. 1989 Aug 1;49(15):4258-63.Cancer Res. 1989.PMID: 2472876
Jackson MW, Roberts JS, Heckford SE, Ricciardelli C, Stahl J, Choong C, Horsfall DJ, Tilley WD.Jackson MW, et al. Among authors: heckford se.Cancer Res. 2002 Feb 1;62(3):854-9.Cancer Res. 2002.PMID: 11830543
Heckford SE, Eccles SA, Powles TJ, Alexander P.Heckford SE, et al.Br J Cancer. 1982 Jul;46(1):51-7. doi: 10.1038/bjc.1982.164.Br J Cancer. 1982.PMID: 7104197Free PMC article.