Zobrazeno 1 - 10
of 111
pro vyhledávání: '"R, Popivanov"'
Autor:
Rumen Stoilov, Reneta Petkova, Tzvetanka Petranova, Mihail Boyanov, Anna-Maria Borissova, Plamen R. Popivanov
Publikováno v:
Rheumatology and Therapy
Introduction The real duration of osteoporosis treatment in clinical practice is still not well described. The primary objective is to estimate the proportion of patients who stayed on treatment during a 4-year follow-up, and the secondary objective
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e45e2616713ad039836c529c4faa5e2f
https://doi.org/10.1007/s40744-021-00358-0
https://doi.org/10.1007/s40744-021-00358-0
Autor:
Dian K. Palagachev, Peter R. Popivanov
Publikováno v:
Electronic Journal of Differential Equations, Vol 1997, Iss 01, Pp 1-12 (1997)
$C^{2+alpha}(overline{Omega})$ is proved for the oblique derivative problem $$cases{ a^{ij}(x)D_{ij}u + b(x,,u,,Du)=0 & in $Omega$,cr partial u/partial ell =varphi(x) & on $partial Omega$cr} $$ in the case when the vector field $ell(x)=(ell^1(x),ldot
Externí odkaz:
https://doaj.org/article/cc6376f0dcd64110b4cfb49e19803dab
Autor:
Lachezar K. Surchev, Kiril L. Surchev, Milena P. Popova, Ana Tsakova, Dimitar R. Peev, Mila Vlaskovska, Mariya D. Ratkova, Plamen R. Popivanov, Vasya S. Bankova, Slavina Surcheva
Publikováno v:
Current Pharmaceutical Biotechnology. 16:414-423
Treatment of osteoporosis remains a therapeutic challenge. The effect of Apium Nodiflorum extract on development of experimental osteoporosis, pain thresholds and carrageenan-induced inflammation has been studied in ovariectomized osteoporotic Wistar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce8248faf6b3c1980f7443ff47a0a765
https://doi.org/10.2174/1389201015666141229104102
https://doi.org/10.2174/1389201015666141229104102
Autor:
P. R. Popivanov
Publikováno v:
Generalized Functions and Fourier Analysis ISBN: 9783319519104
In this paper pseudodifferential operators with involutive characteristics are considered in two different cases: elliptic subprincipal symbol and subprincipal symbol being a symbol of principal type near some characteristic point (i.e., vanishing at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a9053c796b792e7ba687eeb449d4aa86
https://doi.org/10.1007/978-3-319-51911-1_10
https://doi.org/10.1007/978-3-319-51911-1_10
Autor:
Alexander Shinkov, Anna-Maria Borissova, Natalya L. Temelkova, Plamen R. Popivanov, Mihail Boyanov, Rasho Rashkov, Masha Gavrailova, Jordan Vlahov
Publikováno v:
Archives of Osteoporosis. 6:189-195
This study explored the epidemiology of osteoporosis in Bulgarian women (>50 years). Of the women included in the study, 16.8% had osteoporosis and 46.5% had osteopenia at the femoral neck. The mean 10-year absolute fracture risk was 13.4 ± 9.2% (ma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::566745463b323822455e181599981042
https://doi.org/10.1007/s11657-011-0064-x
https://doi.org/10.1007/s11657-011-0064-x
Publikováno v:
Turkish Journal of Endocrinology and Metabolism, Vol 15, Iss 03, Pp 66-70 (2011)
Objectives: To investigate the association between bone mineral density (BMD) and collagen type Iα1 (COLIA1) gene polymorphisms in a case-control study.Materials and Methods: 400 unrelated postmenopausal Bulgarian women participated - 180 with norma
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::33814467f9ab8b61007e1865c8b84b9a
http://www.turkjem.org/eng/makale/758/72/Full-Text
http://www.turkjem.org/eng/makale/758/72/Full-Text
Publikováno v:
The Aging Male. 10:9-16
To determine the prevalence of osteoporosis at the distal forearm in a male cohort referred for bone density testing and to compare it to published data of Bulgarian women.315 consecutive Bulgarian men aged 20 to 84 years were included (mean age 53.7
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bdf04d808c79276b7dcb1df467cc00e
https://doi.org/10.1080/13685530701228000
https://doi.org/10.1080/13685530701228000
[Studies on the nature of experimental leukopenia produced by immunization with typhoid Vi-vaccines]
Autor:
V Kh, VULCHANOV, R, POPIVANOV
Publikováno v:
Izvestiia. Bulletin. Bulgarska akademiia na naukite. Institut po biologiia "Metodii Popov". 11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::c2651364f235113208c21965abd1a420
https://pubmed.ncbi.nlm.nih.gov/24546743
https://pubmed.ncbi.nlm.nih.gov/24546743
Autor:
Peter R. Popivanov, Angela Slavova
Publikováno v:
Series on Analysis, Applications and Computation ISBN: 9789814322126
Nonlinear Waves: An Introduction
Nonlinear Waves: An Introduction
Compact Traveling Waves, Peakons, Cuspons, Solitons, Kinks and Periodic Solutions of Several Third Order Nonlinear PDE, including Camassa-Holm, Korteweg-De Vries, Burger's Equations and Their Modifications Cellular Neural Network Realization Fluxon a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeab1a5f3673b39e736f529df595c622
https://doi.org/10.1142/7867
https://doi.org/10.1142/7867