Comparative evaluation of factors affecting hemagglutinatingactivity of avian influenza (H9) virus
Asfa RASOOL,
Sameera AKHTAR,
Khushi MUHAMMAD,
Masood RABBANI,
Aftab Ahmed ANJUM,
Javed MUHAMMAD,
Arfan AHMAD,
Ali Ahmad SHEIKH,
Fakhra LIAQAT,
Fariha AKHTAR,
Rabia TAHIR