Example of a trend: food purchasing program, Chicago Hospital Council.
D002641:Chicago; D002656:Child Day Care Centers; D003365:Costs and Cost Analysis; D004045:Dietary Services; D004046:Dietetics; D004865:Equipment and Supplies, Hospital; D005502:Food; D005521:Food Service, Hospital; D005544:Forecasting; D006707:Homes for the Aged; D006739:Hospital Administration; D011682:Purchasing, Hospital