Virginia J. VitzthumHilde Spielvogel2026-03-222026-03-22200310.1016/s1570-677x(03)00037-6https://doi.org/10.1016/s1570-677x(03)00037-6https://andeanlibrary.org/handle/123456789/50501Citaciones: 6enReproductive healthEpidemiologyEnvironmental healthMedicineEpidemiological transitions, reproductive health, and the Flexible Response Modelarticle