Volume & Issue: Volume 12, Issue 3, March 2021, Page 49-73 
| 1 | Isolation of Diarrheagenic Escherichia coli and their Specific Phages from Rabbits | |
| Page 49-54 | ||
| Samar S. El-Masry; A. M. Tamam | ||
| 2 | Quantification of Pathogenicity Genes Expression in Pectobacterium carotovorum by qRT-PCR | |
| Page 55-59 | ||
| A. E. Elfarash; K. A. Abo Elyousr; Zynab S. Morsy; K. A. Amein | ||
| 3 | Genotoxicity Evaluation of Agricultural Drainage Water and Industrial Effluents using Cytological Bioassay | |
| Page 61-68 | ||
| Mervat I. Kamal; K. A. Zaied; A. H. Abd El – Hady; A. S. Abd El- Mohsen | ||
| 4 | The Effect of Organic and Bio-Fertilization on some Physical and Chemical Properties of Calendula officinalis L. Plant | |
| Page 69-73 | ||
| H. A. H. EL-Zawawy; R. S. Nada; Z. H. Saad | ||
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