x, 268 pages, 3 unnumbered leaves of plates : 2 facsimiles, portrait ; 22 cm.

Giles of Rome and the medieval theory of conception : a study of the De formatione corporis humani in utero / by M. Anthony Hewson.

Historia de la embriologia y teratología en la antigüedad y épocas pre-colombinas / [Ekkehard Kleiss].

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