- Author: William F. Cornell Anne de Graaf Trudi Newton Moniek Thunnissen
- Language: English
- Year: 2015
- Author: Dries Lesage Thijs Van de Graaf (eds.)
- Language: English
- Year: 2015
- Author: Thijs Van de Graaf (auth.)
- Language: English
- Year: 2013
- Author: Rik van Berkel Willibrord de Graaf Tomáš Sirovátka (eds.)
- Language: English
- Year: 2011
- Author: Marcel van Aken Wim Beyers Maja Deković Marca Geeraets Hanneke de Graaf Dr. Ellen Reitz (eds.)
- Language: Dutch
- Year: 2015
- Author: Willem de Graaf
- Language: English
- Year: 2015
- Author: John de Graaf David Wann Thomas H Naylor
- Language: English
- Year: 2014
- Author: Prof. Dr. Jacqueline de Graaf FRCP Prof. Dr. Patrick Couture Prof. Dr. Allan D. Sniderman (auth.)
- Language: English
- Year: 2015
- Author: Coen de Graaf Ria Broer (auth.)
- Language: English
- Year: 2016
- Author: Helen I. de Graaf- Waar Herma T. Speksnijder (auth.)
- Language: Dutch
- Year: 2014