APA

van de Schans S. A. M., Janssen-Heijnen M. L. G., Biesma B., Smeenk F. W. J. M., van de Poll-Franse L. V., Seynaeve C. & Coebergh J. W. W. (20071231). COPD in cancer patients: higher prevalence in the elderly, a different treatment strategy in case of primary tumours above the diaphragm, and a worse overall survival in the elderly patient. : European journal of cancer (Oxford, England : 1990).

Chicago

van de Schans S A M, Janssen-Heijnen M L G, Biesma B, Smeenk F W J M, van de Poll-Franse L V, Seynaeve C and Coebergh J W W. 20071231. COPD in cancer patients: higher prevalence in the elderly, a different treatment strategy in case of primary tumours above the diaphragm, and a worse overall survival in the elderly patient. : European journal of cancer (Oxford, England : 1990).

Harvard

van de Schans S. A. M., Janssen-Heijnen M. L. G., Biesma B., Smeenk F. W. J. M., van de Poll-Franse L. V., Seynaeve C. and Coebergh J. W. W. (20071231). COPD in cancer patients: higher prevalence in the elderly, a different treatment strategy in case of primary tumours above the diaphragm, and a worse overall survival in the elderly patient. : European journal of cancer (Oxford, England : 1990).

MLA

van de Schans S A M, Janssen-Heijnen M L G, Biesma B, Smeenk F W J M, van de Poll-Franse L V, Seynaeve C and Coebergh J W W. COPD in cancer patients: higher prevalence in the elderly, a different treatment strategy in case of primary tumours above the diaphragm, and a worse overall survival in the elderly patient. : European journal of cancer (Oxford, England : 1990). 20071231.