SAOULIDIS (Κ. ΣΑΟΥΛΙΔΗΣ) K., ALEXOPOULOS (Κ. ΑΛΕΞΟΠΟΥΛΟΣ) C., PAPAIOANNOU (Δ.Σ. ΠΑΠΑΪΩΑΝΝΟΥ) D.S., KRITAS (Σ.Κ. ΚΡΗΤΑΣ) S.K. and KYRIAKIS (Σ.K. ΚΥΡΙΑΚΗΣ) S.C. 2018. Effect of the dietary inclusion of a natural zeolite (clinoptilolite) on aerial ammonia level in pig houses. Journal of the Hellenic Veterinary Medical Society. 52, 4 (Jan. 2018), 291–298. DOI:https://doi.org/10.12681/jhvms.15460.