1. Crystalline and amorphous insulin-zinc compounds with prolonged action;Hallas-Møller;Ugesk. f. læger,1951
2. Clinical investigations on new insulin preparations with a prolonged action—insulin-zinc preparations—used in one daily injection;Hallas-Møller;Ugesk. f. læger,1951
3. Crystalline and amorphous insulin-zinc compounds with prolonged action;Hallas-Møller;Science,1952
4. Pharmacologic and clinical studies on two new types of long-acting insulins with special reference to zinc insulin preparations (Novo): a preliminary report;Izzo;Diabetes,1953
5. A clinical comparison of modified insulins;Izzo;J. Clin. Investigation,1950