The style recommended by the American Medical Association (AMA) is often used in biomedical research, medicine, nursing, dentistry and some related fields of biology.
Van Gijn J, Kerr RS, Rinkel GJE. Subarachnoid haemorrhage. Lancet. 2007;369(9558):306-318.
Sehgal S, Drazner MH. Left ventricular geometry: does shape matter? Am Heart J. 2007;153(2):153-155.
Overbye D. A philanthropist of science seeks to be its next Nobel. New York Times. April 19, 2005:D1, D4.
Hill, J, Courtenay, M. Prescribing in Diabetes. Cambridge, England: Cambridge University Press; 2008.
Dorland's Illustrated Medical Dictionary. 31st ed. Philadelphia, PA: Lippincott Williams & Wilkins; 2006.
Interim guidance for 2009 H1N1 flu (swine flu): taking care of a sick person in your home. Centers for Disease Control and Prevention. http://www.cdc.gov/ H1N1flu/guidance_homecare.htm. Published October 23, 2009. Accessed November 9, 2009.
There is no such category in AMA citation style. An article retrieved from a library database should be cited as a print article if it exists in that format and is equivalent to the full-text article being used.