APA

Groeneveld G. J., van der Tweel I., Wokke J. H. J. & van den Berg L. H. (20050512). Sequential designs for clinical trials in amyotrophic lateral sclerosis. : Amyotrophic lateral sclerosis and other motor neuron disorders : official publication of the World Federation of Neurology, Research Group on Motor Neuron Diseases.

Chicago

Groeneveld Geert Jan, van der Tweel Ingeborg, Wokke John H J and van den Berg Leonard H. 20050512. Sequential designs for clinical trials in amyotrophic lateral sclerosis. : Amyotrophic lateral sclerosis and other motor neuron disorders : official publication of the World Federation of Neurology, Research Group on Motor Neuron Diseases.

Harvard

Groeneveld G. J., van der Tweel I., Wokke J. H. J. and van den Berg L. H. (20050512). Sequential designs for clinical trials in amyotrophic lateral sclerosis. : Amyotrophic lateral sclerosis and other motor neuron disorders : official publication of the World Federation of Neurology, Research Group on Motor Neuron Diseases.

MLA

Groeneveld Geert Jan, van der Tweel Ingeborg, Wokke John H J and van den Berg Leonard H. Sequential designs for clinical trials in amyotrophic lateral sclerosis. : Amyotrophic lateral sclerosis and other motor neuron disorders : official publication of the World Federation of Neurology, Research Group on Motor Neuron Diseases. 20050512.