Presbyopia Research W. Vogel & M. Büttner GmbH tumour cells might directly arise

tumour cells might directly arise from normal stem cells

künftig an Bedeutung gewinnen wird

Xuejun Cao

Herrn Andrzej Osiak)

nicht veroffelltlichte Ver­ suche durchgefiihrt worden

Presbyopia Research W. Vogel & M. Büttner GmbH tumour cells might directly ariseSeeing is life. Seeing is transfonning luminous col We wish to extend our academic and theoretical ored stimulations and shapes into amental represen knowledge and also to complete and exchange our tation, structured in space and in time. But seeing is technical and professional experience to prepare also opening onto the world that surrounds us: it is corrective means for the future. thus a means for communicating and learning. Numerous questions