Test tubes containing samples for analysis. They are sealed with rubber bungs to prevent them being contaminated. The bungs also allow syringes to be used to cleanly retrieve samples for analysis | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tek Image |
Taille de l’image : | 3667 px × 4782 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |