Zicker, F. , Katz, N. and Wolf, J. (1977) “Evaluation of a new semi-quantitative hatching technique of S. mansoni eggs for diagnostic purposes”, Revista do Instituto de Medicina Tropical de São Paulo, 19(3), pp. 202–207. Available at: https://revistas.usp.br/rimtsp/article/view/197891 (Accessed: 1 July 2024).