@article {:2002:01149954:8, title = "Cimetidine/omeprazole/ranitidine: Cyanocobalamin deficiency (first report with cimetidine and ranitidine) in an elderly patient: case report", journal = "Reactions", volume = "1", year = "2002", abstract = "", pages = "8-8(1)", url = "http://www.ingentaconnect.com/content/adis/rea/2002/00000001/00000909/art00025" }