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IP address: 44.201.199.251
Time: 2024-03-29T12:51:00Z
URL: http://scholar.google.com/scholar_lookup?title=Mammalian+ciliary-body+epithelial+cells+in+culture+produce+transforming+growth+factor-beta&year=1991&author=Helbig&journal=Graefes+Arch+Clin+Exp+Ophthalmol&volume=229&issue=1&pages=84-87&doi=10.1007%2FBF00172268&pmid=2004731