a doctor holding up a syringe facing a worried patient - doctor in silhouette stock pictures, royalty-free photos & images
two people standing at end of corridor in hospital - doctor in silhouette stock pictures, royalty-free photos & images
reflection in floor of two doctors standing in hospital corridor - doctor in silhouette stock pictures, royalty-free photos & images
scientist with microscope. brainwave scanning research on computer screens - doctor in silhouette stock pictures, royalty-free photos & images