gamma ray (=γ-ray)

e-ray(extraordinary ray)

o-ray(ordinary ray)

(directed) area

(directed)area

ability of self-directed learning

activity-directed simulation

acyclic directed graph model

acyclic directed network

aim directed algorithm

antibody directed enzyme prodrug therapy

antibody-directed enzyme prodrug therapy

area directed

Arterial catheter-directed thrombolysis

Associated directed graph

awareness of self-directed learning

be directed against

binary directed graph

binary directed tree