Patent Cooperation Treaty per cent Primary Care Trust Pennsylvania College of Technology Photon-Coupled Transistor Planning and Control Techniques Probe Control Table Program Comprehension Tool Pacific Crest Trail Partitioning and Configuration Tool peak cladding temperature Percent percent crop treated Personal Communications Technology personnel control team Photometric Calibration Test polychlorinated terphenyl porphyria cutanea tarda Portable Control Terminal postcoital test Primary Care Team Private Communication Technology Private Communications Technology Process Control Team Program Control Table Project Coordination Team Prothrombin Consumption Time Fielding Percentage Pacific Coast Trail paclitaxel