Some people with chest pain have normal or minimal narrowing of heart arteries; in these patients, vasospasm is a more likely cause for the pain, sometimes in the context of Prinzmetal's angina and syndrome X.
You are here. Pure Live Seed. Pure live seed (PLS) is a measure used by the seed industry to describe the percentage of a quantity of seed that will germinate. PLS is obtained by multiplying the purity percentage by the percentage of total viable seed, then dividing by 100.
PLS - Pure Live Seed. 1  IT Information Technology. 2  CRM Customer Relationship Management. 3  BGCAPP Blue Grass Chemical Agent-Destruction Pilot Plant.  ADVC Advanced Digital Video 1  Converter. DPM Digital Picture Manipulator.  IGER Institute of Grassland and Environmental 1  Research. OMB Office of Management and Budget.  BGAD Blue Grass Army Depot.