roentgen

Known as: R, roentgens, rontgen 
A unit of exposure to ionizing radiation in CGS system. One roentgen is the amount of gamma or x-rays required to produce ions resulting in a charge… (More)
National Institutes of Health

Papers overview

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2004
2004
Introduction .......................... The method .......................... The movements of the small intestine… (More)
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1998
1998
STUDY DESIGN A roentgen stereophotogrammetric analysis study of patients with sacroiliac joint dysfunction. OBJECTIVES To… (More)
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Highly Cited
1995
Highly Cited
1995
The tibial components in 143 patients with total knee replacements performed before 1988 were assessed for micromotion using… (More)
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Highly Cited
1993
Highly Cited
1993
We allocated randomly 27 patients undergoing 28 primary uncemented total hip replacements (THR) to receive prosthetic components… (More)
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Review
1992
Review
1992
  • Leif Ryd
  • Clinical orthopaedics and related research
  • 1992
Using highly accurate roentgen stereophotogrammetric analysis (RSA), migration and cyclic displacement of prosthetic components… (More)
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Review
1989
Review
1989
I have developed a roentgen stereophotogrammetric method for determination of positions of radiopaque markers in an object. The… (More)
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Highly Cited
1989
Highly Cited
1989
Twenty-five patients (21 females and 4 males) with sacroiliac joint disorders were studied with roentgen stereophotogrammetry in… (More)
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Highly Cited
1987
Highly Cited
1987
Well, someone can decide by themselves what they want to do and need to do but sometimes, that kind of person will need some… (More)
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Highly Cited
1986
Highly Cited
1986
  • Leif Ryd
  • Acta orthopaedica Scandinavica. Supplementum
  • 1986
The modern era of endoprosthetic joint replacement started with the introduction of acrylic cement to improve component fixation… (More)
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Highly Cited
1975
Highly Cited
1975
The extraspinal manifestations of Forestier's disease are described in 21 consecutive cases; diffuse idiopathic skeletal… (More)
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