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Kokoteksti saatavana. Full text available at:
BMJ Open Access Journals
Available from 2012 volume: 1 issue: 1 until 2017 volume: 6 issue: 1.
Kokoteksti saatavana. Full text available at:
PubMed Central Open Access
Available from 2012 volume: 1 until 2017 volume: 6.