Roger Djapa - Articles - Scientific Research Publishing

Prevalence of the hepatitis B surface antigen in a population of workers in Cameroon (Articles)

Firmin Ankouane Andoulo, Michèle Tagni-Sartre, Dominique Noah Noah, Roger Djapa, Elie Claude Ndjitoyap Ndam

Open Journal of Gastroenterology Vol.3 No.8，December 26, 2013

DOI: 10.4236/ojgas.2013.38057 4,267 Downloads 6,307 Views Citations
Rectal bleeding in adults over 20 years: Endoscopic investigations and results in current hospital practices in Yaoundé, Cameroon (Articles)

Firmin Ankouane Andoulo, Dominique Noah Noah, Roger Djapa, Michele Tagni Sartre, Elie Claude Ndjitoyap Ndam, Kathleen Ngu Blacket

Open Journal of Gastroenterology Vol.3 No.6，October 29, 2013

DOI: 10.4236/ojgas.2013.36051 2,985 Downloads 4,872 Views Citations
Biermer Disease in an Unusual Neurological Presentation without Anemia: A Case Report (Articles)

Nsenga Djapa Guy Roger, Fogang Fogoum Yannick, Ndjitoyap Ndam Antonin Wilson, Kowo Pierre Mathurin, Ankouane Andoulo Firmin, Choukem Simon Pierre

Open Journal of Gastroenterology Vol.12 No.5，May 31, 2022

DOI: 10.4236/ojgas.2022.125013 40 Downloads 228 Views Citations
Intracystic bleeding of a solitary hydatid cyst: A rare complication of a rare disease in central Africa. A case report (Articles)

Ankouane Andoulo Firmin, Ngo Nonga Bernadette, Monabang Catherine, Djapa Roger, Tchoumi Eric, Njoya Oudou, Ndjitoyap Ndam Elie Claude, D. P. McManus, Malonga Eimo

Case Reports in Clinical Medicine Vol.2 No.2，May 24, 2013

DOI: 10.4236/crcm.2013.22044 4,995 Downloads 7,340 Views Citations
The Exact Similarity between the Positron and the Electron Equations in a P and the T Violations (Articles)

Roger Boudet

Journal of Modern Physics Vol.3 No.8，August 16, 2012

DOI: 10.4236/jmp.2012.38101 4,543 Downloads 6,423 Views Citations
On Five Independent Phenomena Sharing a Common Cause (Articles)

Roger Ellman

Journal of Applied Mathematics and Physics Vol.2 No.5，April 24, 2014

DOI: 10.4236/jamp.2014.25006 4,189 Downloads 5,099 Views Citations
Gravito-Electric Power Generation (Articles)

Roger Ellman

Journal of Applied Mathematics and Physics Vol.2 No.5，April 24, 2014

DOI: 10.4236/jamp.2014.25013 4,813 Downloads 5,990 Views Citations
Mitigating Biodiversity Concerns in Eucalyptus Plantations Located in South China (Articles)

Roger A. Williams

Journal of Biosciences and Medicines Vol.3 No.6，June 12, 2015

DOI: 10.4236/jbm.2015.36001 6,162 Downloads 7,499 Views Citations
The Problem of Big Bang Matter vs. Antimatter Symmetry (Articles)

Roger Ellman

Open Access Library Journal Vol.2 No.11，November 25, 2015

DOI: 10.4236/oalib.1102117 1,114 Downloads 1,765 Views Citations
Connecting Newton’s G with the Rest of Physics—Modern Newtonian Gravitation Resolving the Problem of “Big G’s” Value (Articles)

Roger Ellman

International Journal of Geosciences Vol.8 No.4，April 18, 2017

DOI: 10.4236/ijg.2017.84022 2,196 Downloads 3,468 Views Citations
This article belongs to the Special Issue on Research on Universal Gravitation
The Experimental Data Validation of Modern Newtonian Gravitation over General Relativity Gravitation (Articles)

Roger Ellman

International Journal of Geosciences Vol.8 No.4，April 18, 2017

DOI: 10.4236/ijg.2017.84023 1,801 Downloads 2,459 Views Citations
This article belongs to the Special Issue on Research on Universal Gravitation
The Mechanics of Gravitation—What It Is; How It Operates (Articles)

Roger Ellman

International Journal of Geosciences Vol.8 No.4，April 18, 2017

DOI: 10.4236/ijg.2017.84024 1,923 Downloads 2,681 Views Citations
This article belongs to the Special Issue on Research on Universal Gravitation
Gravitational and Anti-Gravitational Applications (Articles)

Roger Ellman

International Journal of Geosciences Vol.8 No.4，April 18, 2017

DOI: 10.4236/ijg.2017.84025 2,029 Downloads 2,956 Views Citations
This article belongs to the Special Issue on Research on Universal Gravitation
An Investigation of the Carbon Neutrality of Wood Bioenergy (Articles)

Roger A. Sedjo, Xiaohui Tian

Journal of Environmental Protection Vol.3 No.9，September 24, 2012

DOI: 10.4236/jep.2012.39114 5,745 Downloads 7,884 Views Citations
Expanding public health professionals’ roles in promoting and supporting breastfeeding as optimal infant feeding: A pilot study with online tutorial implications (Articles)

Amna Umer, Roger A. Edwards

Open Journal of Preventive Medicine Vol.3 No.2，April 29, 2013

DOI: 10.4236/ojpm.2013.32025 5,980 Downloads 8,565 Views Citations
Post-Planting Fertilization as a Reforestation Aid on a Sulfurous, Semiarid Surface Mine (Articles)

Roger F. Walker

Natural Resources Vol.4 No.2，June 13, 2013

DOI: 10.4236/nr.2013.42027 4,660 Downloads 6,259 Views Citations
Pulse Soliton Solutions of the Modified KdV and Born-Infeld Equations (Articles)

Jean Roger Bogning

Int'l J. of Modern Nonlinear Theory and Application Vol.2 No.2，June 18, 2013

DOI: 10.4236/ijmnta.2013.22017 5,739 Downloads 9,038 Views Citations
X-Efficiency among Chinese Banks (Articles)

Roger Frantz, Taylor Mackay

Open Journal of Social Sciences Vol.3 No.3，March 6, 2015

DOI: 10.4236/jss.2015.33013 3,333 Downloads 4,247 Views Citations
Trade Union and the Informal Sector in Africa: Cameroon (Articles)

Roger Tsafack Nanfosso

Modern Economy Vol.7 No.11，September 26, 2016

DOI: 10.4236/me.2016.711113 1,837 Downloads 4,579 Views Citations
Modelling Operational Decision-Making in Agriculture (Articles)

Roger Martin-Clouaire

Agricultural Sciences Vol.8 No.7，July 4, 2017

DOI: 10.4236/as.2017.87040 1,528 Downloads 3,830 Views Citations

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