Polarized light micrograph of quinine sulfate crystals. Once used to treat malaria,now used to treat cardiac arrhythmia. Magnification 50x at 35mm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Lessin, Leonard |
Taille de l’image : | 4208 px × 2742 px |
Model Release : | Non requis |
Restrictions : |
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