{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T22:52:00Z","timestamp":1790981520676,"version":"4.1.0"},"reference-count":20,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[1981,3,1]],"date-time":"1981-03-01T00:00:00Z","timestamp":352252800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Vet Pathol"],"published-print":{"date-parts":[[1981,3]]},"abstract":"<jats:p>Of 95 reproductive tracts from postpartum bitches, 20 had subinvolution of the placental sites. Grossly, the placental sites were hemorrhagic and about twice the size of normal sites at the same time after parturition. Microscopically, large masses of collagen, hemorrhage and dilated endometrial glands were in the endometrial sites. The myometrium was invaded in many areas by trophoblast-like cells from the endometrium. Variations in the size of placental sites in the same uterus were found in eight cases, and histological variations in the involution process in five. Invasion of the myometrium by trophoblast-like cells four days after parturition was seen in one bitch.<\/jats:p>","DOI":"10.1177\/030098588101800208","type":"journal-article","created":{"date-parts":[[2017,1,17]],"date-time":"2017-01-17T23:16:45Z","timestamp":1484695005000},"page":"208-218","source":"Crossref","is-referenced-by-count":20,"title":["Involution Abnormalities in the Postpartum Uterus of the Bitch"],"prefix":"10.1177","volume":"18","author":[{"given":"M. A.","family":"Al-Bassam","sequence":"first","affiliation":[{"name":"Department of Pathology and Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"R. G.","family":"Thomson","sequence":"additional","affiliation":[{"name":"Department of Pathology and Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"O'Donnell","sequence":"additional","affiliation":[{"name":"Department of Pathology and Department of Clinical Studies, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[1981,3,1]]},"reference":[{"key":"bibr1-030098588101800208","unstructured":"Al-Bassam M., Thomson R.G., O'Donnell L.: Normal post partum involution of the uterus in the dog. 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