"Never doubt that a small group of thoughtful, committed citizens can change the world. Indeed, it is the only thing that ever has."
Rostyslav V. Bubnov,
The Centre of Ultrasound Diagnostics and Interventional Sonography, Clinical hospital `Pheophania` | Interferon Department, Zabolotny Institute of Microbiology, Virology, National Academy of sciences of Ukraine
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