title: Effects of calcium addition as Ca(NO3)2 on zinc toxicity to fathead minnows, Pimephales promelas, Rafinesque.
mesh_terms: D000818:Animals; D002118:Calcium / Q000494:pharmacology*; D005399:Fishes / Q000378:metabolism*; D014867:Water / Q000032:analysis; D015032:Zinc / Q000633:toxicity*
chemical_list: D014867:Water; D015032:Zinc; D002118:Calcium