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Start Over You searched for: Author Health, Education and Welfare Dept. Remove constraint Author: Health, Education and Welfare Dept. Publish Year Decade 1970 - 1979 Remove constraint Publish Year Decade: 1970 - 1979

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2712. Research in education, annual index Jan-Dec. 1972.

2719. Respiratory gas exchange and blood flow in placenta, proceedings of symposium in conjunction with 25th International Congress of Physiological Sciences, Aug. 4-6, 1971, Hannover, Germany [with lists of references]; editors, Lawrence D. Longo and Heinz Bartels.