J. . Pellegrino and J. M. P. . Memoria, “The intradermal test in schistosomiasis mansoni. IV. Quantitative aspects of the test using egg antigen”, Rev. Inst. Med. Trop. São Paulo, vol. 2, no. 5, pp. 260–264, Oct. 1960, Accessed: Jul. 17, 2024. [Online]. Available: https://revistas.usp.br/rimtsp/article/view/203023