https://pmc.ncbi.nlm.nih.gov/articles/PMC6789409/
Retained placenta after vaginal delivery: risk factors and management - PMC
Retained placenta after vaginal delivery is diagnosed when a placenta does not spontaneously deliver within a designated amount of time, variably defined as a...
retained placentaafter vaginalrisk factorsdeliverymanagement
https://research.rug.nl/en/publications/retained-placenta-in-friesian-mares-incidence-risk-factors-therap/
Retained placenta in Friesian mares: incidence, risk factors, therapy, and consequences - the...
retained placentafriesian mares
https://www.cochrane.org/evidence/CD001337_umbilical-vein-injection-after-childbirth-management-retained-placenta
Umbilical vein injection after childbirth for management of retained placenta | Cochrane
after childbirthfor managementretained placentaumbilicalvein