Machiel J. Zwarts

Skeletal Muscle Ultrasound: Correlation Between Fibrous Tissue and Echo Intensity

Sigrid Pillen, Ramon O. Tak, Machiel J. Zwarts et al. · Ultrasound in Medicine & Biology · 2008 · 612 citations · Full text

Medicine, Anatomy, Radiology +16

Genome-wide association study identifies 19p13.3 (UNC13A) and 9p21.2 as susceptibility loci for sporadic amyotrophic lateral sclerosis

Michael A. van Es, Jan H. Veldink, Christiaan G. J. Saris et al. · Nature Genetics · 2009 · 404 citations

Life Sciences, Genetics, Molecular Genetics +14

Normal values for quantitative muscle ultrasonography in adults

Ilse M.P. Arts, Sigrid Pillen, Helenius J. Schelhaas et al. · Muscle & Nerve · 2009 · 402 citations

Medicine, Radiology, Clinical Anatomy +7

Skeletal muscle ultrasonography: Visual versus quantitative evaluation

Sigrid Pillen, Mieke van Keimpema, Rutger A. J. Nievelstein et al. · Ultrasound in Medicine & Biology · 2006 · 227 citations

Medicine, Anatomy, Radiology +13

Quantitative ultrasonography of skeletal muscles in children: Normal values

Ralph R. Scholten, Sigrid Pillen, Aad Verrips et al. · Muscle & Nerve · 2003 · 211 citations

Medicine, Pediatrics, Radiology +17