There are multiple definitions:

1. oral anticoagulant/anticoagulation(English)

   • ACT, BU, DIC, DOAC, NOAC, NVAF, PAF, AF, AAD, CCI, CDM, CIED, ICD, ICM, OAC, PeAF, PermAF
   • Hematology, Preventive medicine, Thrombocyte /thrombosis, Cardiology, Electrophysiology
   • https://doi.org…NAHA.124.069757

2. orale anticonceptiepil(Dutch)

   • see contraception
   • Gynecology, Pharmacology / pharmaceutics

3. omeprazole, amoxicillin, and clarithromycin(English)

   • refers to acid-related disorders with Helicobacter pylori infection
   • CYP2C19, MDR1, PPI
   • Microbiology, Pharmacology / pharmaceutics
   • https://doi.org…0228-005-0901-1