About half of the almost 1 million US teenagers who become pregnant each year carry their pregnancies to term and give birth. However, after years of steady increases, teen birthrates in the US are lower and pregnancy rates have fallen to their lowest level in 20 years. Teenage sexual activity is also declining. Over the period 1991-96, the birthrate in the US among teens declined from the 2...

OBJECTIVE To study epidemiological and clinical aspects of American visceral leishmaniasis in hospitalized children in Ceará, Brazil. METHODS A retrospective and observational study was carried out with children suffering from American visceral leishmaniasis admitted to Hospital Infantil Albert Sabin in Fortaleza. Medical records were reviewed consistently. Inclusion criteria were children wi...

BACKGROUND The incidence of inflammatory bowel disease is increasing in Europe and in Spain. However, there is no recent data from Southern Spain. OBJECTIVES To determine the evolution of the hospital incidence of inflammatory bowel disease in Southern Spain. MATERIAL AND METHODS A retrospective study was performed in two hospitals in Southern Spain. Data was collected from inflammatory bow...

INTRODUCTION AND OBJECTIVES To determine the effect of opening an on-site diagnostic catheterization facility on 30-day and 2-year mortality rates in patients with myocardial infarction (MI). METHODS The study included 1539 consecutive MI patients aged 25-74 years who were recruited before and after the catheterization laboratory opened in 1998: during 1995-1997 and 1999-2003, respectively. ...

OBJECTIVE To establish a comprehensive cancer treatment and prevention policy, data collection should be performed in a timely manner, and survival analysis needs to reflect changes in treatment strategy. Therefore, we introduced the concept of period analysis for gastric cancer, the most prevalent cancer in Korea. We estimated 5- and 10-year survival trend of gastric cancer, based on data from...

Principal Investigator: Thomas H. Fletcher Grant No. DE-FG22-95PC95215 Chemical Engineering Department Brigham Young University Provo, UT 84602 October 31, 1997 Date of Grant: August 1, 1995 Anticipated Completion Date: July 31, 1997 Government Award: $50,000 for second year Program Manager: Philip Goldberg Contracting Officer Representative (COR): Philip Goldberg Reporting Period: May 1, 1997 ...