Al-Marzani, E. A. H., & Barwary, M. S. . (2022). EFFECT OF DIFFERENT ESTRUS SYNCHRONIZATION ON SERUM E2, P4, FSH AND LH DURING DIFFERENT ESTRUS PERIODS AND PREGNANCY IN EWES. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, 53(4), 743-751. https://doi.org/10.36103/ijas.v53i4.1584