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The horizontal fraction bar was introduced by the Arabs.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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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.

Hepatitis C Hepatitis C
Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo Risks of infectious disease increase in (a) high-density agricultural populations compared to (b) lo
Diffuse pharyngeal erythema seen with infectious mononucleosis. Diffuse pharyngeal erythema seen with infectious mononucleosis.
A typical reaction in which NAD+ acts as an oxidizing agent A typical reaction in which NAD+ acts as an oxidizing agent
Hepatitis Hepatitis
What is the strongest oxidizing agent of the following set: MnCl2, Mn(OH)3, MnO2, KMnO4? What is the strongest oxidizing agent of the following set: MnCl2, Mn(OH)3, MnO2, KMnO4?
Video: Mechanisms for chromosome movement Animation

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