Referrals for head and neck cancer in England and The Netherlands: an international qualitative study of the views of secondary-care surgical specialists Tekijä Langton, S, Rijken, J, Bankhead, C, Plüddemann, A, Leemans, C

Malaria in pregnancy: the difficulties in measuring birthweight. Tekijä Rijken, M, Rijken, J, Papageorghiou, A, Kennedy, S, Visser, G, Nosten, F, Mcgready, R

Malaria in pregnancy: the difficulties in measuring birthweight Tekijä Rijken, M, Rijken, J, Papageorghiou, A, Kennedy, S, Visser, G, Nosten, F, McGready, R