TY  - GEN
AU  - Pytel',A Ia
TI  - [History of discovery of excretory urography]
SN  - 0042-1154
PY  - 1977///0622
KW  - History, 20th Century
KW  - Humans
KW  - Urography
KW  - history
N1  - Publication Type: Historical Article; Journal Article
ER  -