title: Uptake of 45-calcium by Spirostomum ambiguum.
mesh_terms: D001031:Apatites / Q000378:metabolism; D002127:Calcium Isotopes / Q000378:metabolism*; D016798:Ciliophora / Q000378:metabolism*; D008274:Magnesium / Q000494:pharmacology; D011188:Potassium / Q000494:pharmacology; D013696:Temperature
chemical_list: D001031:Apatites; D002127:Calcium Isotopes; D008274:Magnesium; D011188:Potassium