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Effect of luteal blood flow and number of corpora lutea on the pregnancy rate after fixedtime embryo transfer of cryopreserved embryos in Lacaune recipients evaluated by Color Doppler ultrasonography.
STUDIES IN THE LIFE HISTORIES OF EUGLENIDA: III. THE MORPHOLOGY OF PERANEMA TRICHOPHORUM EHRENBERG, WITH SPECIAL REFERENCE TO ITS KINETIC ELEMENTS AND THE CLASSIFICATION OF THE HETERONEMIDÆ
The military campaigns to Istanbul made by Ukrainian Cossacks at the first half of the XVII century (on the pages of the research periodical press of Russian Empire)