Pain analysis. Close-up of a laboratory rat's foot having increasing pressure applied to it,to test the animal's pain threshold. As soon as the rat indicates it is in pain,the weight placed on the foot is measured and recorded | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Psaila, Philippe |
Taille de l’image : | 5160 px × 3396 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |