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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Did you know?
Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.
Did you know?
Cyanide works by making the human body unable to use oxygen.
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The FDA recognizes 118 routes of administration.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.