What does PPD stand for?

What does PPD mean?

PPD	Purified Protein Derivative Medical » Laboratory
PPD	Prepaid or Postage paid Miscellaneous » Ship Types
PPD	PostScript Printer Description Computing » General
PPD	Post Partum Depression Medical » Physiology
PPD	Permanent Partial Disability Medical » Physiology
PPD	Postscript Printer Driver Miscellaneous » Unclassified
PPD	Pre-Paid Legal Services, Inc. Business » NYSE Symbols
PPD	Personal And Professional Development Community » Educational
PPD	Postscript Printer Definition Computing » Hardware
PPD	Postscript Printer Definition Computing » Networking
PPD	Partial Packet Discard Computing » Networking
PPD	Perl Package Description Miscellaneous » Unclassified
PPD	Posts Per Day Business » Accounting
PPD	Predicted Percentage of Dissatisfied Business » General
PPD	Producer Price Differential Business » General
PPD	Packs Per Day Miscellaneous » Unit Measures
PPD	Packs Per Day Medical » Physiology
PPD	Promotional Products Distributor Business » Firms
PPD	Professional Products Division Business » Firms
PPD	Points Per Day Miscellaneous » Unclassified
PPD	Plasmatic Pulsar Device Miscellaneous » Unclassified
PPD	Program Package Document Computing » Software
PPD	Program Package Document Governmental » Military
PPD	Program Package Document Governmental » US Government
PPD	Program Package Document Governmental » Transportation