Preparation of 177Lu‐labeled Nimotuzumab for radioimmunotherapy of EGFR‐positive cancers: Comparison of DOTA and CHX‐A″‐DTPA as bifunctional chelators. - Pandey, Usha; Kameswaran, Mythili; Gamre, Naresh; Dash, Ashutosh (Journal of Labelled Compounds & Radiopharmaceuticals, 2019)