Estimating the day of highly pathogenic avian influenza (H7N7) virus
introduction into a poultry flock based on mortality data
Marian E.H. Bos, Michiel Van Boven, Mirjam Nielen, Annemarie Bouma, Armin R.W. Elbers, Gonnie Nodelijk, Guus Koch, Arjan Stegeman and Mart C.M. De Jong