TY - JOUR T1 - Is oral iron always the best option? JO - Revista Clínica Española (English Edition) T2 - AU - Grau Amorós,J. SN - 22548874 M3 - 10.1016/j.rceng.2019.11.002 DO - 10.1016/j.rceng.2019.11.002 UR - https://revclinesp.es/en-is-oral-iron-always-best-articulo-S2254887420300023 ER -