Maintenance therapies in metastatic pancreatic cancer: present and future with a focus on PARP inhibitors oleh Pascal Hammel, Carole Vitellius, Émeric Boisteau, Mathilde Wisniewski, Elise Colle, Marc Hilmi, Christelle Dengremont, Sandra Granier, Anthony Turpin, Louis de Mestier, Cindy Neuzillet