An Argon-ion laser used in photodynamic therapy. Photodynamic therapy (PDT) is a procedure used to treat cancer. Patients are injected with a photosensitizer,a light-sensitive drug selectively retained by cancer cells. When exposed to laser light,the ph | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / National Cancer Institute |
Taille de l’image : | 2700 px × 1800 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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