TY - RPRT TI - Congenitally absent second premolars: an interceptive approach. AU - D R Joondeph AU - R W McNeill PY - 1971 DO - 10.1016/0002-9416(71)90215-6 UR - https://pubmed.ncbi.nlm.nih.gov/5275562/ ID - 5275562 ER -