There are multiple definitions:

1. organic anion transporter(English)

   • classified in the SLC22A superfamily
   • SLC22A, NPE, OCT, PDZ, SLC, SLCO, OATP
   • Physiology, Biochemistry
   • https://doi.org…81.2011.01724.x
   • https://doi.org…har.2022.938813

2. oligoasthenoteratozoospermia(English)

   • ICSI
   • Andrology, Genitals, Pathology
   • https://doi.org…bmo.2025.104974

3. opioid agonist therapy / treatment(English)

   • high rates of cigarette smoking have been observed in pregnant women on opioid agonist therapy
   • APC, MOM, ACE
   • Addiction and health, Pregnancy, Mental health, Woman /female
   • https://doi.org…737-023-01342-z
   • https://doi.org….1159/000532005

4. one-at-a-time(English)

   • a method to derivative-based and variance-based methods
   • CMA-ES, Ea, EDPVR, Emax, ESPVR, LAVI, LPM, LVESV, PAH, PCE, PLA, PVL, PVR, SA, SF, TVE, V0
   • Practical shorthand, Statistics, Model(ing), Hemodynamics
   • https://doi.org/10.1113/JP287929