a r t i c l e i n f o Keywords: Lateral transshipments Stochastic demand Wholesaler operations Inventory replenishment This paper develops a set of decision rules to assist wholesalers to decide whether it is more cost effective to transship urgent outstanding retailer orders from other wholesalers, very fast but at a higher purchase cost, or to order from their suppliers. By considering the un...

abstract: urinary bladder hemangiomas are very rare and accounting for 0.6% of all urinry bladder toumors. it is rare cause of hematuria. a 8-year old boy presented with painless gross hematuria for one week. he had past history of this problem 5 months ago. physical examination revealed no unusual findings. sonogeraphy and ct scan showed intraluminal bladder mass with exteravesical cyctic comp...

introduction: to describe the underlay tympanoplasty technique using an acellular dermal graft(alloderm) for tympanic membrane (tm) reconstruction in a guinea pig model and to demonstrate the feasibility of the technique using alloderm tissue harvested from the prepuce as a source of tissue for future grafting in human tm reconstruction.   materials and methods: the prepuce was divided during c...

Abstract We consider a semi-open queueing network (SOQN), where one resource from pool is needed to serve customer. If on arrival of customer some available, the forwarded an inner complete customer’s order. no new waits in external queue until becomes available (“backordering”). When exits network, it returned pool. develop solution approach. In first step we modify system such that arrivals a...

retrieving failed cemented crowns and fixed partial dentures with minimum discomfort to the patient has always been a clinical concern. this article describes a technique which will allow easy and predictable removal of these restorations.