Parry, Wilfrid H. Communicable diseases. - 3rd ed. - London: Hodder and Stoughton, 1979. - xi,252p.; 22cm - (modern nursing series) . "N" ISBN: "0 840 24291 4" Subjects--Topical Terms: 1. Epidemionology .2. Communicable diseases. Subjects--Index Terms: "Y" LC Class. No.: RA651 / .P37