Definition: Measures essential components of the blood. Substance What It Is Reference Ranges * What a Low Number May Mean What a High Number May Mean. USA UK/EU Australia/Canada. White blood cell count (WBC) Measures the total number of white blood cells, which defend the body. against infection; there are several different types of white blood cells:
Shen Z-X, Chen G-Q, Ni J-H, et al. Use of arsenic trioxide (AS 2 O 3) in the treatment of acute promyelocytic leukemia (APL). ii. Clinical efficacy and pharmacokinetics in relapsed patients.
What this drug is used for: 1  Arsenic trioxide is used to treat a specific type (the leukemia cells must show an alteration in their genetic makeup when examined in the laboratory) of acute promyelocytic leukemia (APL) when retinoid or anthracycline chemotherapy has not been effective.hat this drug is used for: 1  Arsenic trioxide is used to treat a specific type (the leukemia cells must show an alteration in their genetic makeup when examined in the laboratory) of acute promyelocytic leukemia (APL) when retinoid or anthracycline chemotherapy has not been effective.