TY - RPRT TI - Calcium: a program in BASIC for calculating the composition of solutions with specified free concentrations of calcium, magnesium and other divalent cations. AU - D Chang AU - P S Hsieh AU - D C Dawson PY - 1988 DO - 10.1016/0010-4825(88)90022-4 UR - https://pubmed.ncbi.nlm.nih.gov/3143515/ ID - 3143515 ER -