1. Cytogenetic diagnosis of malignancy in recurrent meningioma;Benedict;Lancet,1970
2. Non-random representation of chromosome types in human tumor stemlines;Levan;Hereditas,1966
3. Chromosomal patterns in human meningiomas;Mark;Europ. J. Cancer,1970
4. Chromosomal aberrations and their relation to malignancy in meningomas: A meningoma with ring chromosomes;Mark;Acta path. microbiol. scand. Section A.,1971a
5. Chromosomal characteristics of human pituitary adenomas;Mark;Acta neuropath.,1971b