Cook-Andersen, Heidi Growth and differentiation factor 9 promotes oocyte growth at the primary but not the early secondary stage in three-dimensional follicle culture. [electronic resource] - Journal of assisted reproduction and genetics Aug 2016 - 1067-77 p. digital Publication Type: Journal Article ISSN: 1573-7330 Standard No.: 10.1007/s10815-016-0719-z doi Subjects--Topical Terms: AnimalsFemaleGranulosa Cells--cytologyGrowth Differentiation Factor 9--pharmacologyMiceMice, Inbred C57BLOocytes--cytologyOogenesis--drug effectsOrgan Culture TechniquesOvarian Follicle--cytology