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Family Physician
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Experience:  Emergency Medicine and Family Practice for over 26 years
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In addition, preclinical studies suggest that

Customer Question

quot;In addition, preclinical studies suggest that bisphosphonates have direct and indirect antitumor activity, such as inducing tumor cell apoptosis, reducing tumor cell adhesion and invasion, reducing angiogenesis, activating imune responses, and synergy with chemotherapy agents, among others".This is a quote from an article. What is a preclinical study? Is it just people guessing at things? Because then these opinions don't have much strength. Or do they do something in a preclinical study to research these facts that are listed above?
Submitted: 1 year ago.
Category: Medical
Customer: replied 1 year ago.
Nevermind. Please don't answer this. I figured it out.
Expert:  Dr. David replied 1 year ago.

preclinical study means studies done before humans. done in the lab or on animals.