Työterveyslaitos - Selaus tekijän mukaan "Alexanderson, K"
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Childbirth, hospitalisation and sickness absence: a study of female twins.
Narusyte, J; Kjeldgård, L; Ropponen, A; Svedberg, P; Björkenstam, E; Alexanderson, K
BMJ Open : 1 (BMJ Publishing Group Ltd, 2015)