RT Journal Article SR Electronic T1 Zinc acetate lozenges reduced the duration and severity of symptoms of the common cold JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 46 OP 46 DO 10.1136/ebm.6.2.46 VO 6 IS 2 YR 2001 UL http://ebm.bmj.com/content/6/2/46.abstract AB