Fasulkov, I.; Ilieva, Y.; Penchev, P.; Karadaev М.; Ivanova, B.; Nenova , R.; Vasilev, N. Еarly Pregnancy Diagnosis in Bulgarian Murrah Buffaloes by Measurement of Pregnancy-Associated Glycoproteins (PAGs) in Blood Serum and Milk . Acta Scientiae Vet. 2025, 53.