TY - RPRT TI - [Optimal scanning collimation for segmental bronchi: experimental study with low-dose helical CT]. AU - Jian-qun Yu AU - Zhi-gang Yang AU - Zhen-lin Li AU - Xian Chen PY - 2004 UR - https://pubmed.ncbi.nlm.nih.gov/14981835/ ID - 14981835 ER -