@article {Hoffmann:December 1997:0002-9343:483, author = "Hoffmann J.", author = "Spengler M.", title = "Efficacy of 24-Week Monotherapy With Acarbose, Metformin, or Placebo in Dietary-Treated NIDDM Patients - The Essen-II Study", journal = "The American Journal of Medicine", volume = "103", year = "December 1997", abstract = "", pages = "483-490(8)", url = "http://www.ingentaconnect.com/content/els/00029343/1997/00000103/00000006/art00252" doi = "doi:10.1016/S0002-9343(97)00252-0" }