Yigit Şeyhmus, Gürcan S. Neglected volar subluxation of the metacarpophalangeal joint of the thumb: A case report: Neglected volar subluxation of the metacarpophalangeal joint of the thumb. Acta Biomed. 2021;92(S1):e2021034. doi:10.23750/abm.v92iS1.9183