Focsan, M.
Craciun, A. M.
Potara, M. http://orcid.org/0000-0003-4901-2400
Leordean, C.
Vulpoi, A.
Maniu, D.
Astilean, S.
Article History
Received: 9 May 2017
Accepted: 16 October 2017
First Online: 27 October 2017
Competing Interests
: The authors declare that they have no competing interests.