MODEL RELEASED. Nurse holds a carbon dioxide monitor used in a smoking cessation clinic. The patient exhales into the white mouthpiece and the amount of carbon monoxide gas breathed out is measured. Smokers have higher concentrations of this gas in their lungs | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Marazzi, Dr. P. |
Taille de l’image : | 5156 px × 3425 px |
Model Release : | Disponible |
Restrictions : |
|