OBJECTIVE Home Health Care Unit a unit provides health services for elderly, bedridden and individuals with chronic diseases at home along within the frame of the diagnosis, and treatments of the relevant experts. Therefore, it is intended to reduce the probable physical and emotional burden related to the patient that arise by commuting to the hospital, to increase the number of empty beds for...

PURPOSE We address how the national prevalence of cognitive impairment can be estimated from two nationally representative surveys. DESIGN AND METHODS Data are from the 1999-2001 National Health Interview Survey (NHIS) and the 1999 National Nursing Home Survey (NNHS). The NHIS represents all community-dwelling people living in the United States, and the NNHS is representative of all nursing h...

now a days, management and control of perishable inventories is important in many units and industrial enterprises. basically perishable inventory management and control is more complex and challenging than inventories with unlimited lifetime. hence determining the optimal inventory policies for these products is very important.  in this paper, the optimal inventory policy for perishable items ...