F. Hendler a.o.: ncreased EGFRI binding predicts a poor survival in squamous
tumours. Cancer Cells 7 (1989), 347-351.

P. Stanton a.o.: EGF receptor expression by human squamous cell carcinomas of
the head and neck tumours, cell lines and xenografts.
Brit. J. Cancer 70 (1994), 427-433.

14879 Andreas Trumpp: The relationship between embryonic development
and tumorigenesis. ISREC 1999-2000, 29-31.

L. Tsai a.o.: Expression of platelet derived growth factor and its receptors
by two pre-B acute lymphocytic leukaemia cell lines. Blood 83 (1994), 51-55.