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From Embryology
J D Boyd, W J Hamilton Electron microscopic observations on the cytotrophoblast contribution to the syncytium in the human placenta. J. Anat.: 1966, 100(Pt 3);535-48 PMID 5965440
J D Boyd, W J Hamilton Electron microscopic observations on the cytotrophoblast contribution to the syncytium in the human placenta. J. Anat.: 1966, 100(Pt 3);535-48 PMID 5965440