1. The Concentration of the Organic Constituents and the Calorific Value as Functions of Age;Murray H. A.;The Journal of General Physiology,1925
2. Jakubowitch:Medizinskoye Obosreniye.See alsoW.Feldman: “The Foetal Muscular System ” “The Principles of Ante‐Natal and Post‐Natal Child Physiology Pure and Applied ”1920 page201.
3. Baimakoff:Inaugural Dissertation St. Petersburg 1904. See alsoW.Feldman loco citato.
4. Vntersuchengen über den Galciumgehalt des mütterlichen und fötalen Blutserums;Hellmuth K.;Klinische Wochenschrift,1925