1. Parental Drug Association, Points to Consider for Cleaning Validation Technical Report no. 29 (Revised 2021), 2012.
2. How to develop and validate a total organic carbon method for cleaning applications;Clark;PDA J. Pharmaceut. Sci. Technol.,2001
3. Validation of the total organic carbon (toc) swab sampling and test method;Glover;PDA J. Pharmaceut. Sci. Technol.,2006
4. Qualification of a swab sampling procedure for cleaning validation;Ovais;Pharmaceut. Technol.,2020
5. Cleaning verification: a five parameter study of a total organic carbon method development and validation for the cleaning assessment of residual detergents in manufacturing equipment;Li;J. Pharmaceut. Biomed. Anal.,2018