"American Women Still Having Too Many Mastectomies." Women's Health Weekly February 6, 2003: 10.
your reading material identifies different ways of becoming an american citizen
Smith, David L. "Cat-Scratch Disease and Related Clinical Syndromes." American Family Physician April 1997: 1783.
Weinstock, Martin A. "Early Detection of Melanoma." JAMA, The Journal of the American Medical Association 284 (August 16, 2000): 886.
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Smith, Robert A., et al. "American Cancer Society Guidelines for Breast Cancer Screening: Update 2003." Cancer May-June 2003: 141-170.
B.diplomacy
Downs, A. M. "Managing Head Lice in an Era of Increasing Resistance to Insecticides." American Journal of Clinical Dermatology 5 (March 2004): 169-177.
Gums, J. G. "Magnesium in Cardiovascular and Other Disorders." American Journal of Health-System Pharmacy 61 (August 1, 2004): 1569-1576.
Lester, B., et al. "A simple effective splinting technique for the mallet finger." American Journal of Orthopedics March 2000: 202-6.
"Measles--United States, 2000. (From the Centers for Disease Control and Prevention)." Journal of the American Medical Association 287, no. 9 (March 6, 2002): 1105-1112.
Sur, D. K., D. H. Wallis, and T. X. O'Connell. "Vaccinations in Pregnancy." American Family Physician 68 (July 15, 2003): 299-304.
A common noun for reading material could be "book" or "magazine."