Sad570 发表于 2025-3-28 18:17:25
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John O’Quigleyheless afflict very much larger numbers, sometimes approaching whole populations. Each has its own position on the scale of importance. Degrees of handicap from these causes occur through a continuous range from the most severe and relatively rare to the very large numbers whose achievement is only统治人类 发表于 2025-3-29 14:45:09
the 1 per 1000 which is most often cited for (developed) countries. It should be noted that only children with bilateral losses in excess of 50 dB were surveyed. The incidence of less severe and monaural loss is not documented. Nor do we have any extensive data on the incidence and effects of acuteChipmunk 发表于 2025-3-29 17:09:50
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Non-proportional hazards models,The most general model, described in Chapter . covers a very broad spread of possibilities and, in this chapter, we consider some special cases.mettlesome 发表于 2025-3-30 03:15:52
John O‘QuigleySummaries and exercises included in every chapter.Extensive appendices provided on probability, stochastic processes, and simulating data.Many of the advances of the last ten years, not covered elsewh