Pediatric neurointervention: collimation on radiation exposure-associated lifetime excess tumor risk
Correspondence to Dr Karen Chen, Department of Radiology, Mount Sinai Health System, 1000 Amsterdam Ave, New York, NY 10019, USA; kchen75{at}jhmi.edu Background Intracranial vascular malformations in ...
ABSTRACT.I describe a simple new method for collimating a Cassegrain telescope that gives near-perfect correction over a wide field of view. This method was used to collimate the 6.5 m MMT in 2002 ...
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