2015-06-222015-06-222014-12-01http://revistas.ucr.ac.cr/index.php/clinica/article/view/17942https://hdl.handle.net/10669/14918TryptophanTrypanosoma cruziParticipation of Tryptophan in the infection of human placental explants by Trypanosoma cruziartÃculo original2015-06-22es10.15517/rc_ucr-hsjd.v4i8.17942