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2. Obstetrical, neonatal and psychosocial outcome of pregnant adolescents;McAnarney;Pediatrics,1978
3. Pregnancy in the young adolescent;Briggs;Am J Obstet Gynecol,1962
4. The adolescent's first pregnancy: A controlled study;Spellacy;S Med J,1978
5. Pregnancy in the very young teenager;Claman;Am J Obstet Gynecol,1964