Aguilar Mora, P. et al. 2014. Use of “Pesticide Impact Rating Index” (PIRI) for evaluating dangers of pesticide use in onion (Allium cepa L.) culture. O Mundo da Saúde. 38, 1 (Jan. 2014), 24–30. DOI:https://doi.org/10.15343/0104-7809.20143801024030.