1. Weight, sitting height, head size, foot length, and menstrual age of the human embryo;Streeter;Contrib. Embryol,1920
2. Patterns of fetal and placental growth: The second half of normal pregnancy;Hendricks;Obstet. Gynecol,1964
3. Delivery patterns and reproductive efficiency among groups of differing socioeconomic status and ethnic origins;Hendricks;Am. J. Obstet. Gynecol,1967
4. Intrauterine growth as estimated from liveborn birth-weight data at 24 to 42 weeks of gestation;Lubchenco;Pediatrics,1963
5. Die Altersbestimmung des Fötus nach graphischer methode;Zangemeister;Z. Geburtshilfe Gynaekol,1911