TY - RPRT TI - Why is the A-constant not a constant? AU - Maged S Habib AU - Kaveri Mandal AU - Scott G Fraser AU - Peter S Phelan PY - 2003 DO - 10.1016/j.jcrs.2003.11.006 UR - https://pubmed.ncbi.nlm.nih.gov/14709281/ ID - 14709281 ER -