MODEL RELEASED. Bowel cancer screening technician holds a test kit card submitted by a screening programme participant. The faecal samples on a guaiac-impregnated filter paper have been treated with hydrogen peroxide in the laboratory and one sample has reacted positively (blue colour) indicating the likely presence of blood and the need for further tests | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / King-Holmes, James |
Taille de l’image : | 5140 px × 3420 px |
Model Release : | Disponible |
Property Release : | Non requis |
Restrictions : | - |