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2197-652Xsection on methodological issues?.This volume describes the impact of headache disorders on public health, and their adverse consequences for society. It opens with an overview of relevant headache disorders before describing, qualitatively, how the burdens attributable to these disorders fall uponsynovium 发表于 2025-3-31 04:53:11
Epidemiological Methods for Headache Studiese Society. This chapter is based on these guidelines. It covers ethical aspects, defines key epidemiological concepts and discusses, at length, methodological issues around study design, sample selection, accessing and engaging participants, study instruments, diagnosis of headache types (and valida有组织 发表于 2025-3-31 05:43:20
Headache in the Global Burden of Disease (GBD) Studiese prevalence and burden for each gender and all age groups, for all major world regions, nations and, sometimes, areas within countries, for the years from 1990 until 2017 (so far)..GBD is now updated annually. In GBD2016, migraine affected more than one billion people globally, caused 45 million YL