Plastic packaging containing components of a heart pacemaker device. This pacemaker treats heart block by keeping the heart beating regularly. The small electronic pacemaker is seen (at right) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Aj Photo |
Taille de l’image : | 4846 px × 3679 px |
Model Release : | Non requis |
Restrictions : | - |