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Fraser CM, Venter JC (November 1982). "The size of the mammalian lung beta 2-adrenergic receptor as determined by target size analysis and immunoaffinity chromatography". Biochem. Biophys. Res. Commun. 109 (1): 21–9. doi:10.1016/0006-291x(82)91560-1. PMID6297476.