document.write('A study of 50 male med students showed <a href=\"http://www.ncbi.nlm.nih.gov/pubmed/65912?ordinalpos=13&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsPanel.Pubmed_DefaultReportPanel.Pubmed_RVDocSum\" rel=\"nofollow\">50% had PVCs, 56% had PACs</a>')