When anticoagulation management in atrial fibrillation becomes difficult: Focus on chronic kidney disease, coagulation disorders, and cancer. - Papakonstantinou PE; Kalogera V; Charitos D; Polyzos D; Benia D; Batsouli A; Lampropoulos K; Xydonas S; Gupta D; Lip GYH (Blood reviews, 2024)