Ronald C. Samuels

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PURPOSE Herbs and dietary supplements are widely used, and there is an urgent need to educate health professionals about their risks and benefits. The Internet provides an innovative way of educating busy health professionals. This study assessed the impact of an Internet-based curriculum on health professionals' knowledge, confidence, and clinical(More)
OBJECTIVES To evaluate an encounter-based immunization prompting system on resident performance in administering vaccines and knowledge of immunization guidelines. DESIGN/METHODS Prospective randomized, controlled trial. Subjects were first- and second-year pediatric residents in a hospital-based continuity clinic. The intervention group received manual(More)
CONTEXT Herbs and other dietary supplements (H/DS) are frequently used by the public. They have significant health implications, yet little is known about health professionals' knowledge, attitudes, or clinical practices related to H/DS. DESIGN Cross-sectional survey of clinicians prior to participation in an Internet-based educational program on herbs(More)
BACKGROUND Boston's Department of Health and Hospitals established the Boston Immunization Information System (BIIS) as part of a city-wide effort to raise immunization rates. OBJECTIVES Our objectives were 1) to assess the validity of data entry in one computerized immunization database within this system; 2) to identify the types of errors made in data(More)
The potential and limitations of applying extrapolation factors (EFs) to the results of animal studies to predict effects of toxic agents on human male fertility were evaluated using radiation data. The EF is the ratio of the dose to produce a given effect in the mouse to that necessary to produce the same effect in man. Sperm counts in mouse testes were(More)
OBJECTIVE We implemented a quality improvement initiative aimed at reaching a 95% immunization rate for patients aged 24 months. The setting was a hospital-based pediatric primary care practice in Boston, Massachusetts. We defined immunization as full receipt of the vaccine series as recommended by the Centers for Disease Control and Prevention. METHODS(More)
Home-related injuries are overrepresented in children from low-income households. The objectives of this study were to determine frequencies of home safety behaviors and the level of agreement between parental self-report and observed safety practices in low-income homes. In a prospective, interventional home injury prevention study of 49 low-income(More)
OBJECTIVES To evaluate the perceived impact of work-hour limitations on paediatric residency training programmes and to determine the various strategies used to accommodate these restrictions. METHODS A three-page pre-tested survey was administered to programme directors at the 2004 Association of Paediatric Programme Directors meeting. The impact of(More)
Most infections occur in early life, prompting development of novel adjuvanted vaccines to protect newborns and infants. Several Toll-like receptor (TLR) agonists (TLRAs) are components of licensed vaccine formulations or are in development as candidate adjuvants. However, the type and magnitude of immune responses to TLRAs may vary with the TLR activated(More)