Selection criteria for initiation and renewal of luteinizing hormone-releasing hormone agonist therapy in patients with prostate cancer: a French prospective observational study oleh Thierry Lebret, Jean-Louis Davin, Christophe Hennequin, Igor Latorzeff, Jean-Pierre Mignard, Jean-Luc Moreau, Dominique Rossi, Alain Ruffion, Marc Zerbib, Stéphane Culine