WHO,. PREVENTION OF HOSPITAL-ACQUIRED INFECTIONS / Textual Documents NULL. - 2 / . - NULL : ALL INDIA TEXT BOOKS SUPP. (A.T.T.B.S) , 2004. - 64 : VI ; A4 . PSM ISBN: 8174732365 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE Dewey Class. No.: 614 / WHO