APA

Schulte A. M., Lai S., Kurtz A., Czubayko F., Riegel A. T. & Wellstein A. (19970115). Human trophoblast and choriocarcinoma expression of the growth factor pleiotrophin attributable to germ-line insertion of an endogenous retrovirus. : Proceedings of the National Academy of Sciences of the United States of America.

Chicago

Schulte A M, Lai S, Kurtz A, Czubayko F, Riegel A T and Wellstein A. 19970115. Human trophoblast and choriocarcinoma expression of the growth factor pleiotrophin attributable to germ-line insertion of an endogenous retrovirus. : Proceedings of the National Academy of Sciences of the United States of America.

Harvard

Schulte A. M., Lai S., Kurtz A., Czubayko F., Riegel A. T. and Wellstein A. (19970115). Human trophoblast and choriocarcinoma expression of the growth factor pleiotrophin attributable to germ-line insertion of an endogenous retrovirus. : Proceedings of the National Academy of Sciences of the United States of America.

MLA

Schulte A M, Lai S, Kurtz A, Czubayko F, Riegel A T and Wellstein A. Human trophoblast and choriocarcinoma expression of the growth factor pleiotrophin attributable to germ-line insertion of an endogenous retrovirus. : Proceedings of the National Academy of Sciences of the United States of America. 19970115.