V. M. Hofmann

Efficient serum-free retroviral gene transfer into primitive human hematopoietic progenitor cells by a defined, high-titer, nonconcentrated vector-containing medium.

C. von Kalle, D. Möbest, R. Mertelsmann, 1998, Human gene therapy.

Contribution of human papilloma virus to the incidence of squamous cell carcinoma of the head and neck in a European population with high smoking prevalence.

W. Weichert, A. Stenzinger, V. Budach, 2015, European journal of cancer.