Antibiotics and other growth–promoting substances

Penicillin and Other Antibiotics

Antidotes and other substances used in poisonings

Plants and Plant Substances against Aids and Other Viral Diseases

Quantitative urine levels of cocaine and other substances of abuse.

Used appropriately, quantitative levels can address research hypotheses and clinical issues that are otherwise untested by traditional qualitative urine results. Quantitative urine levels can provide new information in health services research, pharmacotherapy trials, studies of the interaction of cigarette smoking and substance abuse, additional studies of polysubstance abuse, and the linking ...

The Renin–Angiotensin– Aldosterone System and Other Vasoactive Substances

The renin–angiotensin system is important for the regulation of vascular smooth muscle tone, fluid and electrolyte balance, and the growth of cardiac and vascular smooth muscle. A normally functioning renin– angiotensin system contributes to the routine control of arterial blood pressure. A variety of basic and clinical investigations have resulted in a broader understanding of the role of the ...