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Muriel Mackeprang, Sylvia Hay, Reporting of Congenital Malformations on Birth Certificates: A Study of Possible Relationships between Selected Characteristics of Hospitals and Completeness of Reporting Malformations, Health Services Reports, Vol. 87, No. 9 (Nov., 1972), pp. 830-834
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Mackeprang et al. (1972) studied this question.
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