1. Ultrastructural aspects of human skin during the embryonic, fetal, premature, neonatal, and adult periods of life;Holbrook;Birth Defects,1981
2. Development and differentiation of dermal cells in man;Breathnach;J Invest Dermatol,1978
3. Weight, sitting height, head size, foot length, and menstrual age of the human embryo;Streeter;Contributions to Embryology,1920