Interference by oxyphenbutazone in paracetamol estimation.
D000082:Acetaminophen / Q000097:blood*; D005188:False Negative Reactions; D010113:Oxyphenbutazone / Q000097:blood*; D013056:Spectrophotometry, Ultraviolet / Q000379:methods
D000082:Acetaminophen; D010113:Oxyphenbutazone