To compound its low status in the medical hierarchy, travel medicine has to rely on statistics that are patchy at best.
为了加重其在医疗体系中的低下地位，旅游医学不得不依赖充其量零零碎碎的统计数据。
2
Statistics and analysis on the papers published in the Journal of Jinan University (Naturnal science and medicine edition) from 1995 to 1999 are made.
对1995 ~ 1999年《暨南大学学报(自然科学与医学版)》刊载的论文进行统计和分析。
3
The cost of prevention medicine keeps it from being widely applied, yet available statistics justify the validity of preventive efforts in certain specific diseases.