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2. 1854 Entwicklugsgeschichte des Rehes. J. Ricker'sche, Giessen.
3. Observations on implantation of the guinea pig ovum
4. Embryo-endometrial interrelationship in the rat and guinea pig
5. 1961 Biology of eggs and implantation. In: Sex and Internal Secretions. ed. Williams and Wilkins, Baltimore. Chap. 14, 797-882.