TY  - GEN
AU  - Stiefelhagen,Peter
TI  - [What is the cause?]
SN  - 1438-3276
PY  - 2013///0806
KW  - Diagnosis, Differential
KW  - Gastrointestinal Hemorrhage
KW  - etiology
KW  - Humans
KW  - Proctitis
KW  - Rectal Diseases
KW  - diagnosis
KW  - Rectum
N1  - Publication Type: News
UR  - https://doi.org/10.1007/s15006-013-0418-y
ER  -