RT Journal Article SR Electronic T1 Mothers of ill children experienced uncertainty before asthma was diagnosed in their children JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 92 OP 92 DO 10.1136/ebn.1.3.92 VO 1 IS 3 YR 1998 UL http://ebn.bmj.com/content/1/3/92.abstract AB