Medical electrical equipment. Part 1-8. General requirements for basic safety and essential performance. Collateral standard. General requirements, tests and guidance for alarm systems in medical electrical equipment and medical electrical systems
Microbiology of food and animal feeding stuffs. Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli. Part 2. Colony-count technique at 44 °C using 5-bromo-4-chloro-3-indolyl β-D-glucuronide
