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A paleoecological study of a one-hundred year sedimentary record of Galveston Bay, Texas
Paleoecological and geochemical methods were used to study changes in Galveston Bay for the period 1850-1988. The purpose of the study was to: (1) examine foraminiferal species distribution in space and time, (2) measure ...
Demand for health services in Colombia: The choice of provider by women of child-rearing age
This research analyzes the factors influencing choice and the determinants of women's health services demand. Demand for health services in Colombia is practically unexplored, and there appear to be no studies of demand ...