in order to determine whether a short period of general anesthesia influences the levels of serum calcitonin ( cts ) and whole blood ionized ca2+ and ph , 10 rats were sequentially anesthetized at 5-day intervals by halothane , ether , or co2/o2 , respectively , and retroorbital blood samples were collected during anesthesia .
C0002915
general anesthesia
C0002903
anesthesia