RT Journal Article SR Electronic T1 Zinc gluconate lozenges were not effective for treating the common cold in children and adolescents JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 13 OP 13 DO 10.1136/ebn.2.1.13 VO 2 IS 1 YR 1999 UL http://ebn.bmj.com/content/2/1/13.abstract AB