Effects of clinoptilolite added in colostrum on the concentration of serum minerals in calves. - Zarcula, Simona Marc; Cernescu, Horia; Kirovski, Danijela; Šamanc, Horea; Mircu, Calin; Frunza, Ilinca; Chirila, David; Paul, Cristina; Tulcan, Camelia (Current Opinion in Biotechnology, 2013)