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Aug 20, 2015 · Draw a line down the center. 2. Label one half of the sheet as “30 cm, 90 °” and the other as “60 cm, 90 °”. ... If there are others in the lab group they may begin processing the blood drop sheets as per the directions in the next section, Measuring Blood Drops, as the drops dry. ... they should converge in one, two, or three areas ... ................
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