“…depends upon, among other things, heredity factors (Santachiara-Benerecetti, Cesari, and De Carli, 1967;Winkelstein, Goldberg, Tishkoff, and Sparkes, 1967;Gropp, Fischer, Niederalt, Klesse, and Hensen, 1968), pathological conditions, e.g., hypophosphataemia (Beisel, Benjamin, and Austen, 1959), the excretory system (Griffin and Cox, 1966;Rosner and Lee, 1965), and the relationship between serum and leucocyte alkaline phosphatases (Lohmann and Weissel, 1964). Many papers have dealt with L.A.P.…”