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Background Men having sex with men (MSM) accounts for 33.6% of all reported cases of HIV-1 infection in Taiwan. The aim of this study was to investigate the epidemiology of HIV-1 infection among MSM in gay saunas in Taiwan. Methods Patrons of 5 gay saunas were recruited for a weekly volunteer counseling and testing program from 2001 to 2005. Questionnaires were collected for a risk factor analysis...
The ultrasonic transducer's micropackaging with particle pollution restraint mechanisms using micromachining process is proposed. The developed packaging with active dustproof mechanisms is very promising, because it permits the advantages of shielding, protection, reliability and signal connection. Technical approaches to the capacitive micro-ultrasonic transducer packaging are divided into three...
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