1) Nattokinase: production and application
https://link.springer.com/article/10.1007%2Fs00253-014-6135-3
2) A Simple and Cost-Saving Approach To Optimize the Production of Subtilisin NAT by Submerged Cultivation of Bacillus subtilis Natto
https://pubs.acs.org/doi/full/10.1021/jf8024198?src=recsys
email address: nine_cats@yahoo.com
Thank you in advance for your assistance
requested articles
https://link.springer.com/article/10.1007%2Fs00253-014-6135-3
2) A Simple and Cost-Saving Approach To Optimize the Production of Subtilisin NAT by Submerged Cultivation of Bacillus subtilis Natto
https://pubs.acs.org/doi/full/10.1021/jf8024198?src=recsys
email address: nine_cats@yahoo.com
Thank you in advance for your assistance