In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.
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In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.
Relationship between HoxC-6 gene expression and neck development.
Relationship between winter rainfall and chuckwalla, Sauromalus, size
Dose-response relationship. As the dose of a drug increases, a maximal response or plateau is ...
Superficial lymph drainage pathways or watersheds determine the direction of lymphatic facilitation ...
The relationship between the permissible exposure limit (PEL), the short-term exposure limit (STEL), ...