Wheeler SB, Kohler RE, Reeder-Hayes KE, Goyal RK, Lich KH, Moore A, Smith TW, Melvin CL, Muss HB. Endocrine therapy initiation among Medicaid-insured breast cancer survivors with hormone receptor-positive tumors. J Cancer Surviv. 2014 Dec;8(4):603-10. doi: 10.1007/s11764-014-0365-3
Hartman M, Bolton E, Fehnel SE. Accounting for age differences on the Wisconsin Card Sorting Test: decreased working memory, not inflexibility. Psychol Aging. 2001 Sep 1;16(3):385-99.