Publications by authors named "Tin-Wing Yen"
Objectives: Preeclampsia is a leading cause of maternal morbidity. The clinical challenge lies in predicting which women with preeclampsia will suffer adverse outcomes and would benefit from treatment, while minimizing potentially harmful interventions. Our aim was to determine the ability of maternal symptoms (i.
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- The study aimed to evaluate the rates of endometrial cancer in patients diagnosed with atypical endometrial hyperplasia (AEH) and to assess the need for better surgical management practices.
- During the review of 70 patients, 25 (35.7%) were found to have concurrent endometrial cancer, exceeding the typical 25% rate.
- Among these, 4 patients (16%) had high-risk cancer, suggesting that simple hysterectomy might not adequately address the underlying cancer risks when AEH is diagnosed.
Naphthenic acids are found in wastewaters from petroleum refineries and oil sands extraction plants. Currently, the concentrations of these toxic carboxylic acids are determined by extracting them into methylene chloride and measuring the absorption of the carboxyl group by Fourier-transform infrared (FTIR) spectroscopy. An improved HPLC method, that is simpler and faster than the FTIR method, was used to detect the 2-nitrophenylhydrazides of the naphthenic acids at concentrations as low as 5 mg l(-1).
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