Christensen, Halvor N. Body fluids and the acid-base balance : a learning program for students of the biological and medical sciences / [by] Halvor N. Christensen. - Philadelphia : W.B. Saunders Co., 1964. LCCN: 64023788 Subjects--Topical Terms: Body fluids.Hydrogen-ion concentration. LC Class. No.: QP88 / .C48 Dewey Class. No.: 612.39