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2. COLLIER, H.B., The standardization of blood h ae moglobin determinations, CANADIAN MEDICAL ASSOCIATION JOURNAL 50: 550 (1944).
3. CROSBY, W. H., UNITED STATES ARMED FORCES MEDICAL JOURNAL 5: 693 (1954).
4. DRABKIN, D.L., A SIMPLIFIED TECHNIQUE FOR A LARGE SCALE CRYSTALLIZATION OF HUMAN OXYHEMOGLOBIN - ISOMORPHOUS TRANSFORMATIONS OF HEMOGLOBIN AND MYOGLOBIN IN THE CRYSTALLINE STATE, ARCHIVES OF BIOCHEMISTRY 21: 224 (1949).
5. COMMUNICATION