polybutylene terephthalate 
PRO-BILT 
profit before tax 
Pass-Band Tuning 
Persistent, Bioaccumulatve and Toxic 
Push-Button Telephone 
Air Parabet 
pay back time 
pentobarbital 
Performance-based training 
peripheral blood T 
peripheral blood T cells 
peripheral blood T lymphocytes 
permanganate-bisulfite-toluidine blue 
Permeable-Base Transistor 
Permian Basin Royalty Trust 
persistent and bioaccumulative toxics 
Persistent Bioaccumulative Toxic 
Persistent Bioaccumulative Toxics 
persistent, bioaccumulative and toxic 
Persistent, Bioaccumulative Toxic poll… 
phenobarbital 
phenylalanine breath test 
piebald trait 
Pit Bull Terrier 
Pittsburgh Ballet Theatre 
Preliminary Breath Test 
primary brain tumours 
Production Based Training 
Property Book Team