Abstract
A. Vannotti: Porphyrins. Their biological and chemical importance. Hilger & Watts, Ltd., Hilger Division. London, 1954. 50 shillings.
V. Pendl: Myokardstoffwechscl und Herztherapie. Georg Thieme Verlag, Stuttgart, 1954. D. M. 29.70.
G. Asboe—Hansen: Connective tissue in health and disease. Ejnar Munksgaard, Copenhagen, 1954. 50 Danish Crowns.