Many attitude estimation methods are based on an optimization problem posed in 1965 by Grace Wahba. All these methods will yield the same optimal estimate, except for inevitable computer roundoff errors. This note shows that Shuster’s Quaternion Estimator (QUEST) and Mortari’s Estimator of the Optimal Quaternion (ESOQ) are essentially identical even in the presence of computer roundoff errors. ...

Hirschsprung's disease (HSCR), a frequent developmental defect of the enteric nervous system is due to loss-of-function mutations of RET, a receptor tyrosine kinase essential for the mediation of glial cell-derived neurotrophic factor (GDNF)-induced cell survival. Instead, gain-of-function Cys mutations (e.g., Cys(609), Cys(620), and Cys(634)) of the same gene are responsible for thyroid carcin...

The Ku antigen is a heterodimer consisting of 70- and 80-kD protein subunits that binds to termini of double-stranded DNA. DNA binding appears to be mediated partly by the 70-kD (p70) subunit, but the precise mechanism of its association with DNA is unclear. High-titer autoantibodies in sera from certain patients with systemic lupus erythematosus recognize at least eight distinct epitopes of Ku...

PURPOSE This study investigated the epidemiology of Kawasaki disease (KD) in infants ≤3-month-old. METHODS To study the epidemiology of KD in Korea, data for 27,851 KD patients were collected on a 3-year basis between 2000 and 2008 in a retrospective survey. From this, data for 609 KD patients ≤3-month-old were analyzed and compared with the data for KD patients >3-month-old. RESULTS The 60...

The relation of leptin and adiponectin with breast density among premenopausal women. Eur J Cancer Prev 2010;19:55–60. 49. Chen X, Wang Y. Adiponectin and breast cancer. Med Oncol 2010;28:1288–95. 50. Barb D, Williams CJ, Neuwirth AK, Mantzoros CS. Adiponectin in relation to malignancies: a review of existing basic research and clinical evidence. Am J Clin Nutr 2007;86:S858–66. 51. Fabian CJ. A...

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