Chan Yong Park

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BACKGROUND While there has been much discussion by policymakers and stakeholders about the effects of "secondary patents" on the pharmaceutical industry, there is no empirical evidence on their prevalence or determinants. Characterizing the landscape of secondary patents is important in light of recent court decisions in the U.S. that may make them more(More)
Intestinal obstruction is a common surgical emergency. Transmesenteric hernia is an unusual cause of bowel obstruction that may result in irreversible damage of the bowel and a fatal outcome. Once incarceration of the bowel occurs, strangulation and gangrene follow immediately. The mortality rate associated with this condition is about 15%, but in the(More)
PURPOSE To describe the clinical characteristics and outcomes after inguinal hernia repair in overweight and obese patients. METHODS We retrospectively reviewed the medical records of 636 adult patients who underwent mesh plug inguinal hernia repair performed by one surgeon from November 2001 to January 2009.The clinical characteristics and surgical(More)
AIM To determine whether cold knife conization (CKC) or loop electrosurgical excisional procedure (LEEP) is the better option for the treatment of cervical intraepithelial neoplasia (CIN) under specific circumstances. METHODS We retrospectively reviewed the medical records of patients who underwent CKC or LEEP for the treatment of CIN. The proportion of(More)
OBJECTIVE Until now, serum tumor markers, physical examination, and conventional imaging modalities, such as CT or MRI, have been used in assessment of recurrence of cervical cancer after treatment. However, CT and MRI provide only anatomical data, which makes analysis of post-treatment change difficult. This study aims to explore the effectiveness of(More)
BACKGROUND AND OBJECTIVES To compare the feasibility of total laparoscopic hysterectomy (TLH) and laparoscopy-assisted vaginal hysterectomy (LAVH) in the treatment of benign gynecologic diseases and to determine the selection criteria for each technique. METHODS This was a retrospective medical records review of 168 patients who underwent TLH or LAVH(More)
BACKGROUND Muscarinic receptor agonists increase water secretion from the acinar cells of respiratory, sweat, salivary, and lacrimal glands. Mice lacking the gene for aqueous water channel aquaporin (Aqp) 5 exhibit methacholine-induced bronchiolar hyperreactivity when compared to normal mice. Individuals with asthma also have enhanced airway responsiveness(More)
As transformed to aging society, many personal devices for healthcare have recently been developed. According to the increase of individual development of health devices, the ISO/IEEE 11073 PHD standard is established for gathering health measurement data. But many existing healthcare devices are not standardized. In this paper, we propose implementation(More)
OBJECTIVE Ginseng has been reported to increase mental and physical abilities, improve mood and promote general health and well-being. The purpose of this study was to examine the effects of sun ginseng (SG) on quality of life in cancer patients. METHODS A randomized, double-blind, placebo-controlled pilot trial was performed for 12 weeks. Fifty-three(More)
A 50-year-old woman presented with a large cervical polypoid mass. Grossly, the mass occupied a substantial proportion of the cervical canal, measuring 6 cm. Histologically, the mass showed a spindle cell malignancy arranged in large fascicles that penetrated deeply into the fibromuscular wall of the cervix. The spindle cells were immunoreactive for both(More)