1. International Bureau of Weights and Measures. Available at: http://www.bipm.org/ .
2. International Organisation of Legal Metrology (OIML). Available at: https://www.oiml.org/en/about/legal-metrology .
3. Council Directive 93/42/EEC of 14 June 1993 concerning medical devices (OJ L 169, 12.7.1993, p. 1).
4. Daily Mail UK. Baby burned to death by faulty incubator at Chinese hospital. 2013. at www.dailymail.co.uk/news/article-2368578/Baby-burned-death-faulty-incubator-Chinese-hospital.html .
5. Daily Mail UK. Patient dies after faulty dialysis machine pumps six liters of liquid into his body. 2010. at www.dailymail.co.uk/news/article-1269184/Patient-dies-faulty-dialysis-machine-pumps-litres-liquid-body.html .