HARJOLA, O Finnish experience of the care and use of the clawed frog (Xenopus laevis Daudin) in the diagnosis of pregnancy. [electronic resource] - Annales chirurgiae et gynaecologiae Fenniae. Supplementum 1949 - 68-82 p. digital Publication Type: Journal Article ISSN: 0066-2038 Subjects--Topical Terms: AnimalsHumansPregnancyXenopusXenopus laevis