Postoperative cognitive dysfunction (POCD) is a common postoperative neurological complication in elderly patients. Circular RNAs (circRNAs) are abundant in the mammalian brain and can probably regulate cognitive function. However. the competitive endogenous RNA (ceRNA) regulatory network in POCD remains illiterate. https://www.pomyslnaszycie.com/halloween-skull-bride-groom-cheap/