RT Journal Article SR Electronic T1 Review: poor quality studies suggest that vitamin B-6 is beneficial in premenstrual syndrome JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 18 OP 18 DO 10.1136/ebn.3.1.18 VO 3 IS 1 YR 2000 UL http://ebn.bmj.com/content/3/1/18.abstract AB