DES MOINES, Iowa - The Iowa Supreme Court on July 27 affirmed in part and reversed in part a lower court decision granting judgment in favor of insurance companies in a putative class action brought by a group of chiropractic doctors who allege that they were wrongfully paid lower rates for their services than for equivalent services offered by medical doctors or osteopathic physicians (Steven A. Mueller, et al. v. Wellmark Inc., et al., No. 10-10, Iowa Sup.; 2012 Iowa Sup. LEXIS 83).