NAKHASHl, H. C.; NAKHASHl, H. C.; SUTHAR, B. N.; SHARMA, V. K.; SIDDIQUEE, G. M.; PATEL, J. B.; KAVANI, F. S. COMPARATIVE EFFICACY OF PROGESTERONE ASSAY AND ULTRASONOGRAPHY FOR EARLY PREGNANCY DIAGNOSIS IN BUFFALOES. ijar 2023, 31 (1), 20-23.