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Zhang, Y; Proenca, P; Maffei, M; Barone, M; Leopold, L; Friedman, JM. (1994). "Positional cloning of the mouse obese gene and its human homologue". Nature. 372 (6505): 425–432. doi:10.1038/372425a0. PMID7984236.
Green ED, Maffei M, Braden VV, Proenca R, DeSilva U, Zhang Y, Chua SC Jr, Leibel RL, Weissenbach J, Friedman JM (Agustus 1995). "The human obese (OB) gene: RNA expression pattern and mapping on the physical, cytogenetic, and genetic maps of chromosome 7". Genome Research. 5 (1): 5–12. doi:10.1101/gr.5.1.5. PMID8717050.
Zhang Y, Proenca R, Maffei M, Barone M, Leopold L, Friedman JM (December 1994). "Positional cloning of the mouse obese gene and its human homologue". Nature. 372 (6505): 425–432. doi:10.1038/372425a0. PMID7984236.
Zhang, Y; Proenca, P; Maffei, M; Barone, M; Leopold, L; Friedman, JM. (1994). "Positional cloning of the mouse obese gene and its human homologue". Nature. 372 (6505): 425–432. doi:10.1038/372425a0. PMID7984236.