Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Fallot complex with severe mental and growth retardation ?
    ### Response:
    What are the signs and symptoms of Fallot complex with severe mental and growth retardation? The Human Phenotype Ontology provides the following list of signs and symptoms for Fallot complex with severe mental and growth retardation. If the information is available, the table below includes how often the symptom is seen in people with this condition.
    