tokens: However , hypercalcemia is a side effect , which is caused by VD 's classical action , the regulation of calcium homeostasis .
folded_tokens: however , hypercalcemia is a side effect , which is caused by vd 's classical action , the regulation of calcium homeostasis .
labels: O O B-other_name O O O O O O O O O B-lipid O O O O O O O B-atom O O