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Donahue RN, McLaughlin PJ, Zagon IS (2009). „Cell Proliferation of Human Ovarian Cancer is Regulated by the Opioid Growth Factor - Opioid Growth Factor Receptor Axis”. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 296 (6): R1716—25. PMID19297547. doi:10.1152/ajpregu.00075.2009.
Zagon IS, Donahue RN, Rogosnitzky M, McLaughlin PJ (2008). „Imiquimod upregulates the opioid growth factor receptor to inhibit cell proliferation independent of immune function”. Experimental Biology and Medicine (Maywood, N.J.). 233 (8): 968—79. PMID18480416. doi:10.3181/0802-RM-58.
Wu Y, McLaughlin PJ, Zagon IS (1998). „Ontogeny of the opioid growth factor, Met5-enkephalin, preproenkephalin gene expression, and the zeta opioid receptor in the developing and adult aorta of rat”. Dev. Dyn.. 211 (4): 327—37. PMID9566952. doi:10.1002/(SICI)1097-0177(199804)211:4<327::AID-AJA4>3.0.CO;2-J.
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Sassani JW, Zagon IS, McLaughlin PJ (2003). „Opioid growth factor modulation of corneal epithelium: uppers and downers”. Curr. Eye Res.. 26 (5): 249—62. PMID12854052. doi:10.1076/ceyr.26.4.249.15427.
Zagon IS, Smith JP, McLaughlin PJ (1999). „Human pancreatic cancer cell proliferation in tissue culture is tonically inhibited by opioid growth factor”. Int. J. Oncol.. 14 (3): 577—84. PMID10024694.
McLaughlin PJ, Levin RJ, Zagon IS (1999). „Regulation of human head and neck squamous cell carcinoma growth in tissue culture by opioid growth factor”. Int. J. Oncol.. 14 (5): 991—8. PMID10200353.
Donahue RN, McLaughlin PJ, Zagon IS (2009). „Cell Proliferation of Human Ovarian Cancer is Regulated by the Opioid Growth Factor - Opioid Growth Factor Receptor Axis”. American Journal of Physiology. Regulatory, Integrative and Comparative Physiology. 296 (6): R1716—25. PMID19297547. doi:10.1152/ajpregu.00075.2009.
Zagon IS, Donahue RN, Rogosnitzky M, McLaughlin PJ (2008). „Imiquimod upregulates the opioid growth factor receptor to inhibit cell proliferation independent of immune function”. Experimental Biology and Medicine (Maywood, N.J.). 233 (8): 968—79. PMID18480416. doi:10.3181/0802-RM-58.