PubMed=2766302
Bogdahn U., Apfel R., Hahn M., Gerlach M., Behl C., Hoppe J., Martin R.
Autocrine tumor cell growth-inhibiting activities from human malignant melanoma.
Cancer Res. 49:5358-5363(1989)

PubMed=2208165
Weilbach F.X., Bogdahn U., Poot M., Apfel R., Behl C., Drenkard D., Martin R., Hoehn H.
Melanoma-inhibiting activity inhibits cell proliferation by prolongation of the S-phase and arrest of cells in the G2 compartment.
Cancer Res. 50:6981-6986(1990)

PubMed=1292782; DOI=10.1097/00008390-199212000-00006
Apfel R., Lottspeich F., Hoppe J., Behl C., Durr G., Bogdahn U.
Purification and analysis of growth regulating proteins secreted by a human melanoma cell line.
Melanoma Res. 2:327-336(1992)

PubMed=8232809; DOI=10.1097/00006123-199310000-00018
Behl C., Winkler J., Bogdahn U., Meixensberger J., Schligensiepen K.-H., Brysch W.
Autocrine growth regulation in neuroectodermal tumors as detected with oligodeoxynucleotide antisense molecules.
Neurosurgery 33:679-684(1993)