TY - RPRT TI - Soft-tissue changes associated with maxillary incisor retraction. AU - M D Rains AU - R Nanda PY - 1982 DO - 10.1016/0002-9416(82)90427-4 UR - https://pubmed.ncbi.nlm.nih.gov/6960733/ ID - 6960733 ER -