Doctors have proposed several explanations for the disparity, including different levels of external stress and gender-related differences in the psychological response to pain.
医生已经对这一差距提出了很多种解释,包括不同程度的外界压力以及对疼痛的心理反应在性别上的差异。
"We have strong bodies of evidence from most countries in Europe in which people, including doctors, public health professionals are disseminating doubts about the validity of the vaccine,"
VOA: standard.2009.11.25
In recent months, in different parts of the world including the United States, there have been reports of doctors turning away AIDS patients from treatment centers because of funding problems.
VOA: standard.2010.07.17
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