Johannessen, A., Verlato, G., Benediktsdottir, B., Forsberg, B., Franklin, K., Gislason, T., Holm, M., Janson, C., Jögi, R., Lindberg, E., Macsali, F., Omenaas, E., Real, F. G., Saure, E. W.
, Schlünssen, V., Sigsgaard, T., Skorge, T. D., Svanes, C., Torén, K. ... de Marco, R. (2014).
Longterm follow-up in European respiratory health studies - patterns and implications.
B M C Pulmonary Medicine,
14(63), 63.
https://doi.org/10.1186/1471-2466-14-63