a total of 610 strains of shigellae isolated from cases of diarrhea in iran during 1962-73 were studied with respect to their phage type, as well as antibiotic resistance and transferable drug resistance along with serotyping. it was shown that there was some relation between serotypes and phage types but no association could be found between phage types and resistance pattern.

background: drugs play a strategic role as a health commodity. thus, the supply chain management of drugs is an important issue to reducing costs and thereby improving patient health. objective: this study evaluated the status of drug supply chain management and health reform in the pharmaceutical sector of teaching hospitals in ahvaz, iran. methods: this cross-sectional study was carried out i...

A growing share of illicit drug dealing occurs on online platforms. Technological innovations, such as encryption and anonymous payments, have enabled new more complex ways organizing transactions. This conceptual essay advances the study by describing how governance mechanisms from markets, networks, hierarchies are combined to reduce transactional uncertainty. Based published research, I argu...