%0 Journal Article %T Post-Partum Psychosis: Which Women Are at Highest Risk? %A Phillipa J Hay %J PLOS Medicine %D 2009 %I Public Library of Science (PLoS) %R 10.1371/journal.pmed.1000027 %U http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.1000027