Saaibi Meléndez, Michelle, Felipe Botero-Rodríguez, and Carlos Javier Rincón Rodríguez. 2023. “Samples in Randomized Clinical Trials With Interim Analysis”. Revista Peruana De Medicina Experimental Y Salud Pública 40 (2): 220-8. https://doi.org/10.17843/rpmesp.2023.402.12217.