Levin, J. M., B. L. Holman, J. H. Mendelson, S. K. Teoh, B. Garada, K. A. Johnson, and S. Springer. "Gender differences in cerebral perfusion in cocaine abuse: technetium-99m-HMPAO SPECT study of drug-abusing women." Journal of nuclear medicine : official publication, Society of Nuclear Medicine 35, no. 12 (1994): 1902-9.