forty-five patients undergoing clean elective inguinal surgery were randomly allocated to receive one of three skin preparations , ( 1 ) alcoholic povidone-iodine ( 'betadine ' ) alone , ( 2 ) the same covered with an incise drape ( 'steri-drape ' ) , or ( 3 ) an iodine-containing incise drape ( 'ioban ' ) alone .
C0032857
povidone-iodine
C0699524
betadine