do you have medical journals
Since you did not specify where you would like to find medical journals, it is slightly difficult to answer your question. The best collections of medical journals in Finland are available in Terkko library ( http://www.helsinki.fi/library/terkko/ ).
In you are looking for medical journals in some other library, you can directly contact the library in question. You will find the contact information of Finnish libraries here: http://www.libraries.fi/en-GB/libraries/