Validation of point-of-care devices measuring calcium (iCa), potassium (K+), and sodium (Na+) concentrations in whole blood of cattle and horses using general-purpose water quality testing equipment. - Nao Kondo; Ayana Iwasa; Minoru Okamoto; Kenji Tsukano; Haruyuki Hirata; Kazuyuki Suzuki (Acta Veterinaria Brno, 2025)