TY - RPRT TI - Comparing linear and nonlinear mixed model approaches to cosinor analysis. AU - Susan K Mikulich AU - Gary O Zerbe AU - Richard H Jones AU - Thomas J Crowley PY - 2003 DO - 10.1002/sim.1560 UR - https://pubmed.ncbi.nlm.nih.gov/14518023/ ID - 14518023 ER -