TY  - RPRT
TI  - [First molar extraction in patients with crowding: cases analysis].
AU  - Shuang-lin Zhu
AU  - Ying Wang
AU  - Da-wei Wang
PY  - 2006
UR  - https://pubmed.ncbi.nlm.nih.gov/16620619/
ID  - 16620619
ER  -