0034-7523 0034-7523 S0034-75232023000400010 Peru Perú 00 12 2023 00 12 2023 62 4 1 2022 12 22 22 2 2022 48 5 5 297-307 3 2022 7 2 2 235-65 4 2022 4 2022 2022 766-9