Variations in CT utilization, protocols, and radiation doses in COVID-19 pneumonia: results from 28 countries in the IAEA study F Homayounieh, O Holmberg, RA Umairi, S Aly, A Basevičius, PR Costa, ... Radiology 298 (3), E141-E151, 2021 | 78 | 2021 |
Monte Carlo simulation of the response functions of CdTe detectors to be applied in x-ray spectroscopy A Tomal, JC Santos, PR Costa, AHL Gonzales, ME Poletti Applied Radiation and Isotopes 100, 32-37, 2015 | 63 | 2015 |
Otimização da dose em exames de rotina em tomografia computadorizada: estudo de viabilidade em um hospital universitário J Dalmazo, J Elias Júnior, MAC Brocchi, PR Costa, PM Azevedo-Marques Radiologia Brasileira 43, 241-248, 2010 | 54 | 2010 |
Garantia de qualidade em radiologia diagnóstica TAC Furquim, PR Costa Revista Brasileira de Física Médica 3 (1), 91-99, 2009 | 54 | 2009 |
Organ doses evaluation for chest computed tomography procedures with TL dosimeters: comparison with Monte Carlo simulations L Giansante, JC Martins, DY Nersissian, KC Kiers, FU Kay, ... Journal of applied clinical medical physics 20 (1), 308-320, 2019 | 49 | 2019 |
Determination of the voltage applied to x‐ray tubes from the bremsstrahlung spectrum obtained with a silicon PIN photodiode MC Silva, SB Herdade, P Lammoglia, PR Costa, RA Terini Medical Physics 27 (11), 2617-2623, 2000 | 42 | 2000 |
X‐ray spectroscopy in mammography with a silicon PIN photodiode with application to the measurement of tube voltage: X‐ray spectroscopy in mammography with a silicon photodiode R Künzel, SB Herdade, RA Terini, PR Costa Medical physics 31 (11), 2996-3003, 2004 | 40 | 2004 |
Measurements of discrete and continuous X-ray spectra with a photodiode at room temperature RA Terini, PR Costa, TAC Furquim, SB Herdade Applied Radiation and Isotopes 50 (2), 343-354, 1999 | 33 | 1999 |
Evaluation of protective shielding thickness for diagnostic radiology rooms: Theory and computer simulation PR Costa, LVE Caldas Medical Physics 29 (1), 73-85, 2002 | 29 | 2002 |
Comprehensive analysis of the spectrometric determination of voltage applied to X-ray tubes in the radiography and mammography energy ranges using a silicon PIN photodiode RA Terini, MAG Pereira, R Kunzel, PR Costa, SB Herdade The British journal of radiology 77 (917), 395-404, 2004 | 28 | 2004 |
Generation of calibrated tungsten target x-ray spectra: modified TBC model PR Costa, DY Nersissian, FC Salvador, PB Rio, LVE Caldas Health physics 92 (1), 24-32, 2007 | 25 | 2007 |
Direct measurement of clinical mammographic x‐ray spectra using a CdTe spectrometer JC Santos, A Tomal, TA Furquim, AMF Fausto, MS Nogueira, PR Costa Medical Physics 44 (7), 3504-3511, 2017 | 22 | 2017 |
Physical and digital phantoms for 2D and 3D x-ray breast imaging: Review on the state-of-the-art and future prospects A Sarno, C Valero, RM Tucciariello, N Dukov, PR Costa, A Tomal Radiation Physics and Chemistry 204, 110715, 2023 | 19 | 2023 |
Modelo para determinação de espessuras de barreiras protetoras em salas para radiologia diagnóstica PR Costa, LVE Caldas | 19 | 1999 |
Characterization of OSL dosimeters for use in dose assessment in computed tomography procedures L Giansante, JC Santos, NK Umisedo, RA Terini, PR Costa Physica Medica 47, 16-22, 2018 | 17 | 2018 |
Radiation dose optimization in routine computed tomography: a study of feasibility in a University Hospital J Dalmazo, J Elias Júnior, MAC Brocchi, PR Costa, PM Azevedo-Marques Radiologia Brasileira 43, 241-248, 2010 | 17 | 2010 |
Ambient dose equivalent and effective dose from scattered x-ray spectra in mammography for Mo/Mo, Mo/Rh and W/Rh anode/filter combinations R Künzel, SB Herdade, PR Costa, RA Terini, RS Levenhagen Physics in Medicine & Biology 51 (8), 2077, 2006 | 17 | 2006 |
Computer tomography phantom applications PR Costa The Phantoms of Medical and Health Physics: Devices for Research and …, 2013 | 16 | 2013 |
Evaluation of conversion coefficients relating air-kerma to H*(10) using primary and transmitted x-ray spectra in the diagnostic radiology energy range JC Santos, L Mariano, A Tomal, PR Costa Journal of Radiological Protection 36 (1), 117, 2016 | 14 | 2016 |
Correlation between effective dose and radiological risk: general concepts PR Costa, EM Yoshimura, DY Nersissian, CS Melo Radiologia brasileira 49 (3), 176-181, 2016 | 14 | 2016 |