TY - RPRT TI - Skeletal Class II patterns in the primary dentition. AU - Arndt Klocke AU - Ram S Nanda AU - Bärbel Kahl-Nieke PY - 2002 DO - 10.1067/mod.2002.122827 UR - https://pubmed.ncbi.nlm.nih.gov/12080312/ ID - 12080312 ER -