Omar P. SangüezaP SangüezaLuis R. ValdaCharles K. MeshulLuís Requena2026-03-222026-03-22199410.1016/s0190-9622(94)70172-5https://doi.org/10.1016/s0190-9622(94)70172-5https://andeanlibrary.org/handle/123456789/85808Citaciones: 25enMedicineMultiple primitive neuroectodermal tumorsreview