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Muti M, Ware LJ, Micklesfield LK, Ramsay M, Agongo G, Boua PR, Kisiangani I, Cook I, Gómez-Olivé FX, Crowther NJ, Kabudula C, Norris SA, Chikowore T.Muti M, et al. Among authors: norris sa.J Phys Act Health. 2023 Feb 6;20(3):217-225. doi: 10.1123/jpah.2022-0539. Print 2023 Mar 1.J Phys Act Health. 2023.PMID: 36746155Free article.
Micklesfield LK, Norris SA, Nelson DA, Lambert EV, van der Merwe L, Pettifor JM.Micklesfield LK, et al. Among authors: norris sa.J Bone Miner Res. 2007 Dec;22(12):1869-77. doi: 10.1359/jbmr.070727.J Bone Miner Res. 2007.PMID: 17680727Free article.
Crowther NJ, Cameron N, Trusler J, Toman M, Norris SA, Gray IP.Crowther NJ, et al. Among authors: norris sa.Pediatrics. 2008 Jun;121(6):e1715-22. doi: 10.1542/peds.2007-3147.Pediatrics. 2008.PMID: 18519475