@article{fretes_fabro_1990,  title={Trypanosoma cruzi: modification of alkaline phosphatase activity induced by trypomastigotes in cultured human placental villi},  volume={32},  ISSN={0036-4665},  url={https://doi.org/10.1590/S0036-46651990000600003},  DOI={10.1590/S0036-46651990000600003},  number={6},  journal={Revista do Instituto de Medicina Tropical de São Paulo},  publisher={Instituto de Medicina Tropical de São Paulo},  author={Fretes, Ricardo E. and Fabro, Sofía P. de},  year={1990},  month={Nov},  pages={403–408} }