Grazyna Badowski

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—To meet the challenge of handling dynamic systems in which continuous dynamics and discrete events coexist, we develop stability analysis of such systems governed by ordinary differential equations and stochastic differential equations with regime switching modulated by a Markov chain involving a small parameter. The small parameter is used to reflect(More)
BACKGROUND Guam is a US territory in the western Pacific with a diverse population that includes understudied ethnic groups such as Chamorros and Filipinos. A food frequency questionnaire (FFQ) to estimate dietary intake was needed to facilitate studies of diet and health among adults living in Guam. OBJECTIVE To develop and validate an FFQ to assess(More)
BACKGROUND The Mariana Islands, including Guam and Saipan, are home to many ethnic subpopulations of Micronesia. Oral cancer incidence rates vary among subpopulations, and areca (betel) nut chewing, a habit with carcinogenic risks, is common. Our objectives were to conduct a screening program to detect oral potentially malignant disorders (OPMD) in betel(More)
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