title: Flaws in the serum anticholinergic activity assay: implications for the study of delirium.
authors.forename: Elizabeth A
authors.initials: EA
authors.lastname: Cox
authors.forename: Shawn G
authors.initials: SG
authors.lastname: Kwatra
authors.forename: Shaanan
authors.initials: S
authors.lastname: Shetty
authors.forename: Madan M
authors.initials: MM
authors.lastname: Kwatra
mesh_terms: D000368:Aged; D000818:Animals; D019645:Arthroplasty, Replacement, Knee; D001285:Atropine / Q000097:blood; D018680:Cholinergic Antagonists / Q000097:blood*; D003693:Delirium / Q000097:blood*; D006801:Humans; D011183:Postoperative Complications / Q000097:blood* / Q000175:diagnosis*; D011813:Quinuclidinyl Benzilate / Q000037:antagonists & inhibitors*; D051381:Rats; D011976:Receptors, Muscarinic / Q000378:metabolism*; D012016:Reference Values
chemical_list: D018680:Cholinergic Antagonists; D011976:Receptors, Muscarinic; C028484:quinuclidinyl benzilate receptor; D011813:Quinuclidinyl Benzilate; D001285:Atropine