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<s>[INST]Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. # noqa: E501

### Instruction:
Answer this question truthfully

### Input:
What is the relationship between very low Mg2+ levels, PTH levels, and Ca2+ levels?
[INST]
### Response:
Very low Mg2+ levels correspond to low PTH levels which in turn results in low Ca2+ levels.</s>