TY - RPRT TI - External root resorption in mastodon molar. AU - S J Gibbs AU - R M Heller AU - M Sloan AU - A E James PY - 1983 DO - 10.1016/0030-4220(83)90244-x UR - https://pubmed.ncbi.nlm.nih.gov/6575346/ ID - 6575346 ER -