WHO Essential Health Technologies
http://www.who.int/eht/en/

Blood transfusion safety
http://www.who.int/bloodsafety/en/index.html

Diagnostic imaging
http://www.who.int/diagnostic_imaging/en/index.html

Diagnostics and laboratory technology
http://www.who.int/diagnostics_laboratory/en/

Essential emergency and surgical care
http://www.who.int/surgery/en/index.html

Injection safety
http://www.who.int/injection_safety/en/

Medical devices
http://www.who.int/medical_devices/en/

Transplantation
http://www.who.int/transplantation/en/index.html