BMJ electronic Journal items of interest Fortnightly review: Postnatal depression Peter J Cooper and Lynne Murray BMJ 1998;316 1884-1886 http://www.bmj.com/cgi/collection/pregnancy ------------------ Cot death linked to prolonged QT interval Deborah Josefson BMJ 1998;316 1852 http://www.bmj.com/cgi/collection/perinatal ---------------------------------------------------- Women warned to avoid peanuts during pregnancy and lactation Zosia Kmietowicz BMJ 1998;316 1926 http://www.bmj.com/cgi/collection/pregnancy ---------------- Long term hormone replacement therapy is needed to prevent hip fractures http://www.bmj.com/cgi/content/full/316/7148/0/b ---------------- Many journals have not retracted "fraudulent" research http://www.bmj.com/cgi/content/full/316/7148/1850/a ------- Understanding controlled trials: Randomising groups of patients Chris Roberts and Bonnie Sibbald BMJ 1998;316 1898-1900 http://www.bmj.com/cgi/content/full/316/7148/1898 -------------------