In this task, you will be given a sentence. You need to reconize the name of the disorder or disease. Disease is a disorder of structure or function in a human, animal, or plant, especially one that produces specific symptoms or that affects a specific location and is not simply a direct result of physical injury. Although there might be several correct answers, you need to write one of them.

[Q]:  Previous studies have suggested that the highly variable metabolic phenotypes of PAH deficiency correlate with PAH genotypes .
[A]: PAH deficiency


[Q]:  In SCA3 , gaze - evoked nystagmus was often present as was saccade hypometria and smooth pursuit gain was markedly decreased .
[A]: SCA3


[Q]:  These results indicate that Smad4 is initially required for the differentiation of the visceral endoderm and that the gastrulation defect in the epiblast is secondary and non - cell autonomous .
[A]:
gastrulation defect