"FETAL DEATHS AND SEX RATIO AMONG PROGENIES OF WORKERS OF OPERATING ROOMS IN HOSPITALS OF HAMADAN "

Workers of operating rooms in hospitals are chronically in exposure to rather higher dose of chemicals, e.g.halothane and nitrous oxide, than general population.Concern that exposure to waste anesthetic gases may cause mutagenic, carcinogenic, or teratogenic changes has provided the impetus for many recent studies.The goal of present work was to de

Earliness is a critical agronomic trait that enables plants to avoid adverse weather conditions during the late growing season or at harvest.In wheat, earliness is controlled by at least three distinct mechanisms: vernalization requirement, photoperiod sensitivity, and a mechanism independent of the first two, so called, earliness per se.In this wo