2007, Article / Letter to editor (Bjog : an International Journal of Obstetrics and Gynaecology, vol. 114, iss. 11, (2007), pp. 1446-7; author reply 1447)
2002, Article in monograph or in proceedings (Daems, F.; Rymenans, R.; Rogiest, G. (ed.), Proceedings 29ste Onderwijs Research Dagen ORD 2002, pp. 155-156)
2012, Part of book or chapter of book (Jansen, W.H.M.; Notermans, C.D. (ed.), Gender, nation and religion in European pilgrimage: Old routes, new journeys, pp. 71-88)