%0 Journal Article %T Ovarian sex cord tumour with annular tubules in a 13-year-old female: a case report %A Yahaya, James, J %A Mshana,, Daudi %A Mremi,, Alex %J Oxford Medical Case Reports %V 2020 %N 4 %D 2020-04-01 %I Oxford University Press %~ DeepDyve