Advance selling occurs when sellers allow buyers to purchase at a time preceding consumption (Shugan and Xie 2000). Electronic tickets, smart cards, online prepayments, and other technological advances make advance selling possible for many, if not all, service providers. These technologies lower the cost of making complex transactions at a greater distance from the seller’s site. They also giv...

abstract   introduction: diabetes mellitus accompanies with disturbances in learning, memory, and cognitive skills in the human society and experimental animals. considering the beneficial antidiabetic potential of apium graveolens (ag ), this research study was conducted to evaluate the effect of chronic i.p. administration of ag on learning and memory in diabetic rats using passive avoidance ...

Background: Celery (Apium graveolens) has many therapeutic effects.This plant has many phytoestrogens that can affect on the reproductive endocrine system and can reduce fertility .In this study, hydro alcoholic extracts of celery leaves on the pituitary-gonad axis in young male l mice of Balb/C was investigated. Materials and Methods: The samples were randomly divided into 5 groups (three trea...