RT Journal Article SR Electronic T1 Review: antibiotics did not lead to general improvement in upper respiratory tract infections JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 78 OP 78 DO 10.1136/ebn.2.3.78 VO 2 IS 3 YR 1999 UL http://ebn.bmj.com/content/2/3/78.abstract AB