Chan, P S Consequences of knuckle cracking: a report of two acute injuries. [electronic resource] - American journal of orthopedics (Belle Mead, N.J.) Feb 1999 - 113-4 p. digital Publication Type: Case Reports; Journal Article ISSN: 1078-4519 Subjects--Topical Terms: AdultFemaleHumansJoint Diseases--therapyLigaments, Articular--injuriesMaleMetacarpophalangeal Joint--injuriesTendon Injuries