TyrosinemiasCystinuriaHeptanoatesAmino Acid Metabolism, Inborn Errors4-Hydroxyphenylpyruvate DioxygenaseHydrolasesMutationPorphobilinogen SynthaseCyclohexanonesHomogentisic AcidTyrosineNitrobenzoatesAcetoacetatesMuscle HypertoniaSelf MutilationPhenylpyruvic AcidsNeonatal ScreeningMetabolism, Inborn ErrorsQuebec