Gossner, L., Wittke, H., Warzecha, A., Sroka, R., Ernst, H., Meier, M., & Ell, C. (1991). Verapamil and hematoporphyrin derivative for tumour destruction by photodynamic therapy.
Chicago Style CitationGossner, L., H. Wittke, A. Warzecha, R. Sroka, H. Ernst, M. Meier, and C. Ell. Verapamil and Hematoporphyrin Derivative for Tumour Destruction By Photodynamic Therapy. 1991.
MLA CitationGossner, L., et al. Verapamil and Hematoporphyrin Derivative for Tumour Destruction By Photodynamic Therapy. 1991.
Warning: These citations may not always be 100% accurate.