On-line first
Articles 'On-line first' are peer-reviewed, accepted articles that are not yet assigned to issue of the journal. They can already be cited using DOI.
Roczniki Państwowego Zakładu Higieny Annals of the National Institute of Hygiene
eISSN 2451-2311Articles 'On-line first' are peer-reviewed, accepted articles that are not yet assigned to issue of the journal. They can already be cited using DOI.