| Experimental design incorporating the 3Rs — Replacement, Reduction, and Refinement, by Alberto Pastor |
| EDA (Experimental Design Assistant) |
| Altbib |
| AltTox.org |
| Altweb (CAAT) |
| AnimAlt-ZEBET |
| AWIC |
| BIOETHICSLINE |
| ECVAM |
| FRAME |
| Ecopa |
| ICCVAM |
| NORINA |
| UFAW |
| Protocolos evaluación toxicológica: |
| Protocolos OCDE |