What does PDLS mean?

Looking for the full meaning of PDLS? From the following image, you can find out all definitions of PDLS. If you want, you can also download image file to print.

PDLSPediatric Disaster Life Support
PDLSPhotoshop DLL Linking System
PDLSPostgraduate Diploma in Liberal Studies
PDLSProfessional Development Laboratory School
PDLSProtocol Dependent Logic Server

What does pdls stand for?