1. Andersen, J.P. and Haustein, S. (2015), “Influence of study type on twitter activity for medical research papers”, in Salah, A.A., Tonta, Y., Salah, A.A.A., Sugimoto, C. and Al, U. (Eds), Proceedings of ISSI 2015 Istanbul: 15th International Society of Scientometrics and Informetrics Conference, Boğaziçi University Printhouse, Besiktas, pp. 28-36.
2. How to normalize Twitter counts? A first attempt based on journals in the Twitter index;Scientometrics,2016
3. Preliminary survey of leading general medicine journals’ use of Facebook and Twitter;Journal of the Canadian Health Libraries Association/Journal de l’Association des bibliothèques de la santé du Canada,2014
4. PlumX;Journal of the Medical Library Association,2015
5. Chen, B. (2011), “Is the backchannel enabled? Using twitter at academic conferences”, 2011 Annual Meeting of American Educational Research Association, AERA, New Orleans, LA, pp. 1-13.