Lack of adequate pneumococcal vaccination response in chronic lymphocytic leukaemia patients receiving ibrutinib. (24th July 2017) - Andrick, Benjamin; Alwhaibi, Abdulrahman; DeRemer, David L.; Quershi, Sameera; Khan, Rahil; Bryan, Locke J.; Somanath, Payaningal R.; Pantin, Jeremy