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2. The recent trend in breast-feeding;Martinez;Pediatrics,1979
3. Trends in the incidence of breastfeeding for Hispanics of Mexican origin and Anglos on the US-Mexico border;Smith;Am. J. publ. Hlth,1982
4. Breast-feeding: a commentary in celebration of the International Year of the Child, 1979;American Academy of Pediatrics;Pediatrics,1978
5. Breast-feeding: second thoughts;Gerrard;Pediatrics,1974