In two cases of infantilism there was poor absorption from the intestines of nitrogen, sulphur, phosphorus, calcium, and magnesium.

The excretion of these elements in the urine was low. The excretion of calcium in the urine was so small as to be negligible.

The excretion of calcium into the intestines was increased.

The complete balance experiments showed that while other elements were retained, calcium was lost.

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