Mathis, SK; Frame, BA; Smith, CE (1989). "Distal first metatarsal epiphysis. A common pediatric variant". Journal of the American Podiatric Medical Association. 79 (8): 375–79. doi:10.7547/87507315-79-8-375. ISSN8750-7315. PMID2681682.
Mathis, SK; Frame, BA; Smith, CE (1989). "Distal first metatarsal epiphysis. A common pediatric variant". Journal of the American Podiatric Medical Association. 79 (8): 375–79. doi:10.7547/87507315-79-8-375. ISSN8750-7315. PMID2681682.
Mathis, SK; Frame, BA; Smith, CE (1989). "Distal first metatarsal epiphysis. A common pediatric variant". Journal of the American Podiatric Medical Association. 79 (8): 375–79. doi:10.7547/87507315-79-8-375. ISSN8750-7315. PMID2681682.