by Ong, S.C., Chow, W.L., van der Erf, S., Joshi, V.D., Tee, P.S., Lu, Y.M., Kee, T.Y.S.
Published in Value in health (01.05.2011)

by Fagot, JP, Godman, B, Van Der Erf, S, Gustafsson, LL
Published in PHARMACOEPIDEMIOLOGY AND DRUG SAFETY (2012)

by Fagot, J.-P., Samson, S., Merlière, J., Van Der Erf, S., Gabach, P., Fagot-Campagna, A.
Published in Revue d'épidémiologie et de santé publique (01.10.2013)

by Ong, S.C, Chow, W.L, van der Erf, S, Joshi, V.D, Tee, P.S, Lu, Y.M, Kee, T.Y.S
Published in Value in health (2011)