1. Proposal for the distribution of a certified standard for use in hemoglobinometry. Second and final report;Cannon;J. Lab. Clin. Med.,1958
2. Microhematocrit versus erythrocyte count. I. Correlation of microhematocrit, erythrocyte count and hemoglobin;Johnson;Am. J. Med. Technol.,1957
3. New electronic method for measuring hematocrit: Clinical evaluation;Kernan;J. Lab. Clin. Med.,1961
4. The hematocrit of capillary blood;McGovern;New Engl. J. Med.,1955