More pictures of tetrasomie
![PDF) [Tetrasomy 18p syndrome and hearing loss : An unusual case].](https://i0.wp.com/i1.rgstatic.net/publication/228066517_Tetrasomy_18p_syndrome_and_hearing_loss_An_unusual_case/links/568e83aa08ae78cc0515ef60/largepreview.png)
tetrasomie
