tokens: RESULTS : After granisetron doses of 5 , 10 , 20 , and 40 micrograms / kg , a major response ( < or = two vomiting or retching episodes , and no antiemetic rescue ) was recorded in 23 % , 57 % , 58 % , and 60 % of patients , respectively , and a complete response ( no vomiting or retching , and no antiemetic rescue ) in 18 % , 41 % , 40 % , and 47 % of patients , respectively .