Study on stress evolution law and control technology of roadway formed by roof cutting during crossing overlying remained coal pillar

The application of roadway formed automatically by roof cutting (RFARC) technology in the working face under the goaf of close distance coal seam wac 4011 greatly improves the mining rate of resources.However, the existence of overlying remained coal pillar (ORCP) makes the stress environment more complex and greatly increases the difficulty of sta

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Evaluation of Medical Information on Male Sexual Dysfunction on Baidu Encyclopedia and Wikipedia: Comparative Study

BackgroundSexual dysfunction is a private set of disorders that may cause stigma for patients when discussing their private problems with doctors.They might also feel reluctant to initiate a face-to-face consultation.Internet searches are gradually becoming the first choice for people with sexual dysfunction to obtain health information.Globally, W

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Improving the coverage of the PMTCT programme through a participatory quality improvement intervention in South Africa

Abstract Background Despite several years of implementation, prevention of mother-to-child transmission (PMTCT) programmes in many resource poor settings are failing to reach the majority of HIV positive women.We report on a data driven participatory quality improvement intervention implemented in a high HIV prevalence district in South Africa.Meth

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