puncture earlobe or finger and blot every 30 seconds
Duke’s method
uses scalpel with plastic template of standardized width and length
Mielke template method
5 mm long and 1 mm deep wound by spring loaded blade and blotted with circular filter paper
simplate or surgicutt method
6mm deep wound immersed in 37° C NSS
Copley Lalitch immersion test
determined with Ivy method two times, one before and after intake of 650 mg aspirin
aspirin tolerance test