introduction: since prescription is a way of communication between the pharmacist, physician and patient, inattention to its principles may result in mis-consumption or incomplete use of the medicine, drug interactions, and increased probable adverse effects. therefore, this research tried to investigate physicians' commitment to principles of prescription writing for outpatients insured by med...

background: as a major responsibility, health authorities must control rational prescription of drugs (rud). a way to analyze the regional status of drug prescription is the who’s recommended indices. the purpose of the study was to determine the status of drug prescriptions in pharmacies of healthcare centers under the authority of tehran university of medical sciences based on the who indices...

OBJECTIVE A population-based survey was conducted in 1999 to describe the patterns of migraine diagnosis and medication use in a representative sample of the US population and to compare results with a methodologically identical study conducted 10 years earlier. METHODS A survey mailed to a panel of 20 000 US households identified 3577 individuals with severe headache meeting a case definitio...

conclusions findings reveal a significant degree of prescription errors, emphasizing the need for stringent surveillance. results a total of 227 case notes were reviewed, 129 (56.8%) of which belonged to male patients. no medication was prescribed for 13 patients, whereas 697 drug prescriptions (excluding intravenous fluids) were given for 214 patients, equaling 3.25 drugs/patient; antibiotics ...

OBJECTIVE To provide a teratology update for prescription and non-prescription drugs and infections during pregnancy. OPTIONS Limited to teratology principles and possible common exposures during pregnancy. EVIDENCE A search of Medline and textbooks was conducted for information published to June 2006 on teratology exposure risks. This document represents an abstraction of the information. ...

We demonstrate a hybrid silicon ring laser with an internal amplifying S-bend that couples a fraction of the counter-clockwise circulating light into the the clockwise direction. The device supported single-mode, unidirectional laser oscillation at certain bias conditions. A spatial field distribution model is derived to describe the unidirectional operation. A unidirectional clockwise laser ou...