There are multiple definitions:

1. desmoplastic infantile astrocytoma(English)

   • extremely rare tumor that typically arises in infancy
   • DIG, CNS, DIPG
   • Pediatrics, Oncology
   • https://doi.org…786.MCR-17-0507

2. dioctadecyl ammonium bromide-induced arthritis(English)

   • intradermal injection of 2 mg induces polyarthritis in rats
   • DDA, PBS, IFA, LEW
   • Experimental animal, Autoimmunity
   • https://doi.org…/jaut.2000.0378

3. diaphragm(English)

   • EMG, GG
   • Respiratory system, Electrophysiology
   • https://doi.org…198912000-00013