Early therapeutic drug monitoring of methotrexate and its association with acute kidney injury: A retrospective cohort study oleh Nicolás Tentoni, Miriam Hwang, Gabriela Villanueva, Ryan Combs, Jennifer Lowe, Laura B. Ramsey, Zachary L. Taylor, Thais Murciano Carrillo, María Dolores Aumente, Teresa López‐Viñau López, Carmelo Rizzari, Scott C. Howard