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[۲], Stanovic, S. ; Boranic, M. ; Petrovecki, M. ; Batinic, D. ; Skodlar, J. ; Nemet, D. ; Labar, B., "Thiorphan, an inhibitor of neutral endopeptidase/enkephalinase (CD10/CALLA) enhances cell proliferation in bone marrow cultures of patients with acute leukemia in remission"
[۳], Andy Coghlan, "Natural-born painkiller found in human saliva"
[۴], Xiao-zhu Tian, Juan Chen, Wei Xiong, Tian He, Qiang Chen, "Effects and underlying mechanisms of human opiorphin on colonic motility and nociception in mice"
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[۶], Kelvin Paul Davies, "The role of opiorphins (endogenous neutral endopeptidase inhibitors) in urogenital smooth muscle biology"
