16S-23S rDNA internal transcribed spacer ITS
18O-labeled internal standards
2 types of internal fixation
3D internal force field
a string of internal problems
a wish for internal promotion
ABCD optical system with internal hard-edge aperture
Aberrant Internal carotid artery
Abosorable internal fixation
Absolute Internal Potential Angle
Absorbable internal fixation
absorbable internal fixator
AC internal resistance test method
activation polarize internal resistance
Acute Internal Contamination
Addition Internal Standard Method
additional internal force
additional internal forces
additional internal pressure