Top Stories PSN President,exco, visit Pfizer Specialties By Admin - 07/03/2016 0 1309 Share FacebookTwitterPinterestWhatsAppLinkedinTelegram pharmacy As a way of cementing mutual relationship in the industry, the PSN President, Pharm. Ahmed Yakasai, accompanied by his executive members, recently paid a courtesy visit to Pfizer Specialties Ltd.Picture below was captured during the visit. PSN President, Pharm. Ahmed Yakasai, receiving a welcome handshake from the Medical Director, Pfizer, kodjo soroh, in the presence of PSN excos and Pfizer staff.