TY  - RPRT
TI  - [Dacryocystography--conventional technic or digital subtraction technic?].
AU  - H J Triebel
AU  - R Guthoff
AU  - H H Jend
AU  - J H Langkowski
PY  - 1988
DO  - 10.1055/s-2008-1048389
UR  - https://pubmed.ncbi.nlm.nih.gov/2848279/
ID  - 2848279
ER  -