Comparison of Cell Culture, Integrated Cell Culture-PCR, and Direct PCR Methods for Detection of Infectious Bursal Disease Virus Journal title: International Journal of Medical and Health Sciences Authors: Tahiri Fatima, Attarassi Benaissa, Belghyti Driss Subject(s): Biochemistry, Microbiology, Anatomy, Medical Imaging and Radiology, Ophthalmology, Pharmacology, Physiology, Psychiatry