A new role for circulating T follicular helper cells in humoral response to anti-PD-1 therapy ============================================================================================= * Santiago Sánchez-Alonso * Giulia Setti-Jerez * Montserrat Arroyo * Tathiana Hernández * Mª Inmaculada Martos * Jose Miguel Sánchez-Torres * Ramon Colomer * Almudena R Ramiro * Arantzazu Alfranca