American Journal of Clinical Pathology

1990. V. 94 1/3,2/3,3/3,4/4, 4Suppl/1, 5/3,6/4

          V. 93 2/3,4/2, 4Suppl/2, 5/3,6/4

1989. V. 92 1/3,2/3,3/3,4/4, 4Suppl/2, 5/3,6/4

          V. 91 1/3,2/3,3/3,4/3, 4Suppl/1, 5/3,6/3