Since i am not familiar with python and after trying and failing to create a recipe in calibre i am posting this request to some kind soul that would make me one in his or her free time
This would be the recipe of nature mag or nature medicine or both if someone would have that much time
http://www.nature.com/nature/current_issue.html
http://www.nature.com/nm/journal/v18/n3/index.html
Thanks in advance!