1. ISO 4135:2001. Anaesthetic and respiratory equipment—Vocabulary. 3rd ed. Geneva, Switzerland: International Organization for Standardization.
2. ISO 4135:2022. Anaesthetic and respiratory equipment—Vocabulary. 4th ed. Geneva, Switzerland: International Organization for Standardization.
3. ISO TC 121: Anaesthetic and Respiratory Equipment.
www.iso.org/committee/51984.html. Accessed Jan. 17 2022.
4. International Organization for Standardization European Committee for Standardization. The Agreement on technical cooperation between ISO and CEN (Vienna Agreement). www.iso.org/va. Accessed Jan. 17 2022.
5. ISO 704:2009. Terminology work—Principles and methods. Geneva, Switzerland: International Organization for Standardization.