TY - RPRT TI - Postoperative cognitive dysfunction: true deterioration versus random variation. AU - L S Rasmussen AU - V D Siersma AU - ISPOCD GROUP PY - 2004 DO - 10.1111/j.1399-6576.2004.00502.x UR - https://pubmed.ncbi.nlm.nih.gov/15352960/ ID - 15352960 ER -