Head of WHO Collaborating Centre for Reference and Research on Poliomyelitis; Division of Virology; National Institute for Biological Standards and Control; Blanche Lane; Potters Bar; EN6 3QG; United Kingdom
Dr. Javier Martin
Head of WHO Collaborating Centre for Reference and Research on Poliomyelitis; Division of Virology; National Institute for Biological Standards and Control; Blanche Lane; Potters Bar; EN6 3QG; United Kingdom