Light micrograph of a section of the lung of a cigarette smoker showing black tar deposits. Magnification: x20 at 35mm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Michler, Astrid & Hans-Frieder |
Taille de l’image : | 5171 px × 3562 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |