Oxygen and helium abundances in Galactic H ii regions — II. Abundance gradients L Deharveng, M Pena, J Caplan, R Costero Monthly Notices of the Royal Astronomical Society 311 (2), 329-345, 2000 | 273 | 2000 |
Biodegradation of phenolic industrial wastewater in a fluidized bed bioreactor with immobilized cells of Pseudomonas putida G Gonzalez, G Herrera, MT Garcıa, M Pena Bioresource technology 80 (2), 137-142, 2001 | 271 | 2001 |
Clinical utility of anti-CCP antibodies in the differential diagnosis of elderly-onset rheumatoid arthritis and polymyalgia rheumatica M Lopez-Hoyos, C Ruiz de Alegria, R Blanco, J Crespo, M Pena, ... Rheumatology 43 (5), 655-657, 2004 | 195 | 2004 |
The prevalence of anthelmintic resistance in nematode parasites of sheep in Southern Latin America: Argentina C Eddi, J Caracostantogolo, M Peña, J Schapiro, L Marangunich, ... Veterinary Parasitology 62 (3-4), 189-197, 1996 | 149 | 1996 |
Efficacy and safety of the CVnCoV SARS-CoV-2 mRNA vaccine candidate in ten countries in Europe and Latin America (HERALD): a randomised, observer-blinded, placebo-controlled … PG Kremsner, RAA Guerrero, E Arana-Arri, GJA Martinez, M Bonten, ... The Lancet Infectious Diseases 22 (3), 329-340, 2022 | 125 | 2022 |
Anaerobic biodegradability and toxicity of chlorophenols A Vallecillo, PA Garcia-Encina, M Pena Water Science and Technology 40 (8), 161-168, 1999 | 116 | 1999 |
Signs of hope in the eastern Pacific: international collaboration reveals encouraging status for a severely depleted population of hawksbill turtles Eretmochelys imbricata AR Gaos, FA Abreu-Grobois, J Alfaro-Shigueto, D Amorocho, R Arauz, ... Oryx 44 (4), 595-601, 2010 | 101 | 2010 |
Planetary nebulae with a high degree of ionization-NGC 2242 and NGC 4361 S Torres-Peimbert, M Peimbert, M Pena Astronomy and Astrophysics (ISSN 0004-6361), vol. 233, no. 2, July 1990, p …, 1990 | 100 | 1990 |
The chemical composition of NGC 2363 M Peimbert, M Pena, S Torres-Peimbert Astronomy and Astrophysics (ISSN 0004-6361), vol. 158, no. 1-2, April 1986 …, 1986 | 80 | 1986 |
Galactic planetary nebulae with Wolf-Rayet nuclei-II. A consistent observational data set M Pena, G Stasińska, S Medina Astronomy & Astrophysics 367 (3), 983-994, 2001 | 72 | 2001 |
Oxygen and helium abundances in Galactic H ii regions — I. Observations J Caplan, L Deharveng, M Pena, R Costero, C Blondel Monthly Notices of the Royal Astronomical Society 311 (2), 317-328, 2000 | 64 | 2000 |
Faint recombination lines in Galactic PNe with a [WC] nucleus J Garcia-Rojas, M Pena, A Peimbert Astronomy & Astrophysics 496 (1), 139-152, 2009 | 61 | 2009 |
Planetary nebulae and H ii regions in the spiral galaxy NGC 300-Clues on the evolution of abundance gradients and on AGB nucleosynthesis G Stasińska, M Peña, F Bresolin, YG Tsamis Astronomy & Astrophysics 552, A12, 2013 | 59 | 2013 |
The chemical composition of planetary nebulae and HII regions in NGC 3109 M Pena, G Stasińska, MG Richer Astronomy & Astrophysics 476 (2), 745-758, 2007 | 58 | 2007 |
Analysis of chemical abundances in planetary nebulae with [WC] central stars-II. Chemical abundances and the abundance discrepancy factor J García-Rojas, M Peña, C Morisset, G Delgado-Inglada, ... Astronomy & Astrophysics 558, A122, 2013 | 56 | 2013 |
Ammonia downstream from HH 80 North JM Girart, LF Rodriiguez, G Anglada, R Estalella, JM Torrelles, J Marti, ... Astrophysical Journal, Part 2-Letters (ISSN 0004-637X), vol. 435, no. 2, p …, 1994 | 56 | 1994 |
Analysis of chemical abundances in planetary nebulae with [WC] central stars-I. Line intensities and physical conditions J García-Rojas, M Pena, C Morisset, A Mesa-Delgado, MT Ruiz Astronomy & Astrophysics 538, A54, 2012 | 55 | 2012 |
The central star of the planetary nebula PB 8: a Wolf-Rayet-type wind of an unusual WN/WC chemical composition H Todt, M Pena, WR Hamann, G Gräfener Astronomy & Astrophysics 515, A83, 2010 | 52 | 2010 |
The double-degenerate nucleus of the planetary nebula TS 01: a close binary evolution showcase G Tovmassian, L Yungelson, T Rauch, V Suleimanov, R Napiwotzki, ... The Astrophysical Journal 714 (1), 178, 2010 | 49 | 2010 |
Non-motor symptoms burden, mood, and gait problems are the most significant factors contributing to a poor quality of life in non-demented Parkinson's disease patients: Results … DS García, T de Deus Fonticoba, ES Castro, C Borrué, M Mata, BS Vila, ... Parkinsonism & Related Disorders 66, 151-157, 2019 | 48 | 2019 |