There are multiple definitions:

1. phosphorothiate(English)

   • ODN, PD
   • Biochemistry

2. Patent and Trademark Office(English)

   • in the USA
   • Organizations (documentation)
   • https://www.uspto.gov/

3. Primaire Tumor Onbekend(Dutch)

   • Oncology
   • https://www.ikn…tendamprijs.pdf