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Freimuth U, Ludwig E, Heinig R.Freimuth U, et al.Nahrung. 1972;16(5):525-31. doi: 10.1002/food.19720160513.Nahrung. 1972.PMID: 4661269German.No abstract available.
Freimuth U, Ludwig E, Heinig R, Gebhardt E.Freimuth U, et al.Nahrung. 1972;16(3):149-56. doi: 10.1002/food.19720160302.Nahrung. 1972.PMID: 4676640German.No abstract available.