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| Q30309870 | Developmental expression of alpha4 protein phosphatase regulatory subunit in tissues affected by Opitz syndrome |
| Q60035840 | Exclusion of nine candidate genes for their involvement in X-linked FG syndrome (FGS1) in three families |
| Q28202743 | MID1, mutated in Opitz syndrome, encodes an ubiquitin ligase that targets phosphatase 2A for degradation |
| Q22010244 | MID2, a homologue of the Opitz syndrome gene MID1: similarities in subcellular localization and differences in expression during development |
| Q51972177 | Mapping of X chromosome inversion breakpoints [inv(X)(q11q28)] associated with FG syndrome: a second FG locus [FGS2]? |
| Q51982364 | Paracentric inversion of the X chromosome [inv(X)(q12q28)] in familial FG syndrome. |
| Q57720261 | Skewed X chromosome inactivation in carriers is not a constant finding in FG syndrome |
| Q34892431 | The FG syndromes (Online Mendelian Inheritance in Man 305450): perspective in 2008. |