TY  - BOOK
AU  - ALKA
TI  - Some studies on ivermectin-resistant strain of Trichostrongylus colubriformis in sheep
U1  - T 636.308.944.9 A35S 
PY  - 2003///
CY  - Ludhiana
PB  - PAU
KW  - SHEEPS -- DISEASES
ER  -