Do proton pump inhibitors affect the effectiveness of cyclin-dependent kinase 4/6 inhibitors in advanced HR positive, HER2 negative breast cancer? A meta-analysis oleh Francisco Cezar Aquino de Moraes, Caroline R. M. Pereira, Vitor Kendi Tsuchiya Sano, Estella Aparecida De Laia, Carlos Stecca, Rommel Mario Rodríguez Burbano, Rommel Mario Rodríguez Burbano