PT - JOURNAL ARTICLE AU - Leszek Pstras TI - A modification to the Valsalva manoeuvre improves its effectiveness in treating supraventricular tachycardia AID - 10.1136/ebnurs-2016-102329 DP - 2016 Jul 01 TA - Evidence Based Nursing PG - 77--77 VI - 19 IP - 3 4099 - http://ebn.bmj.com/content/19/3/77.short 4100 - http://ebn.bmj.com/content/19/3/77.full SO - Evid Based Nurs2016 Jul 01; 19