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2. Maternal nuritional status and adolescent pregnancy outcome;Frisancho;Am J Clin Nutr,1983
3. Are pregnant teenagers still m rapid growth?;Garn;Am J Dis Child,1984
4. Physical maturity and outcome of pregnancy in primiparae younger than 16 years;Sukanich;Pediatrics,1986
5. Interscience Development Associates (3508 Market Street, Suite 212, Philadelphia, PA 19104, USA).