Olszewski, Grzegorz
Boryło, Alicja
Skwarzec, Bogdan
Strumińska-Parulska, Dagmara http://orcid.org/0000-0001-7900-6517
Funding for this research was provided by:
Ministry of Sciences and Higher Education (DS/530-8635-D745-18)
Article History
Received: 29 September 2018
First Online: 15 December 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Following the ethical standards the research ethics committee (Prof. B. Skwarzec, Dr. K. Kabat, O. Bławat) reviewed and approved the research. In the study all donors were asked for giving the hair samples and next accepted our studies on <sup>210</sup>Po and <sup>210</sup>Pb. They were surveyed on the analyzed factors and all questionnaires were kept by Department Head. According to minor participants (under 18 years of age) their parents filled the questionnaires.