TY - RPRT TI - Variable modulus orthodontics advanced through an auxiliary archwire attachment. AU - S Braun AU - R C Sjursen AU - H L Legan PY - 1997 DO - 10.1043/0003-3219(1997)067<0219:vmoata>2.3.co;2 UR - https://pubmed.ncbi.nlm.nih.gov/9188966/ ID - 9188966 ER -