Demant, C.A.R., Auld, D. e Demant, A.R. de M. 2011. <b>Development of a bioassay to quantify the ricin toxin content of castor bean (<i>Ricinus communis</i> L.) seeds</b&gt; - doi: 10.4025/actasciagron.v34i4.11284. Acta Scientiarum. Agronomy. 34, 4 (dez. 2011), 397-402. DOI:https://doi.org/10.4025/actasciagron.v34i4.11284.