Background Clinical trial monitoring is an essential activity for quality assurance (QA) to ensure the protection of human rights and the reliability and transparency of the data collection process. The purpose of ...

This project was developed in Grupo Trisan, a company dedicated to the storage and dispatch of chemical, veterinary, agricultural and food products, where tasks are carried out that involve lifting loads, repetitive movements ...

The Complementary/Alternative Medicine (CAM) have been increasingly used by patients such as children and adolescents. The Ministry of Health in Chile (MINSAL) has recognized and regulated some CAM, although there is ...

A new dimeric alkaloid 1 has been isolated from Schizanthusgrahamiiand its structure determined by spectroscopic methods. © 1991, American Chemical Society. All rights reserved.

Acetaminophen hepatotoxicity is characterized by glutathione depletion, cellular necrosis, and, in some instances, by the induction of lipid peroxidation. Silybin dihemisuccinate, a soluble form of the flavonoid silymarin, ...

A reinvestigation of the aerial parts of Pleocarphus revolutus afforded, in addi tion to sesquiterpenes isolated previously, four new guaiane derivatives and four isocedrene derivatives, one of which is new. Furthermore, ...

Boldine shows a concentration-dependent relaxation effect on the rat ileum preparation with a pD2 of 3.77 ± 0.12. The alkaloid also produces a concentration-dependent parallel shift of the curve-response to acetylcholine, ...