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Monitoring the economic transition in the Russian Federation and its implications for the demographic crisis -- the Russian Longitudinal Monitoring Survey
Zohoori, Namvar, (1998)
The determinants of breast-feeding in sri lanka
Akin, John, (1981)
The duration of breast-feeding: How is it affected by biological, sociodemographic, health sector, and food industry factors?
Adair, Linda, (1993)