title: Hallux valgus: further considerations--the first metatarsal head.
mesh_terms: D001696:Biomechanical Phenomena; D005528:Foot / Q000502:physiology; D006215:Hallux Valgus / Q000601:surgery*; D006801:Humans; D008683:Metatarsophalangeal Joint / Q000601:surgery; D008684:Metatarsus / Q000000981:diagnostic imaging / Q000601:surgery*; D010020:Osteonecrosis / Q000000981:diagnostic imaging / Q000209:etiology; D010027:Osteotomy / Q000009:adverse effects; D011183:Postoperative Complications; D011859:Radiography