USMLE Step 1 is a one-day (8 hours) examination. It includes 322 multiple-choice questions divided into 7 blocks of 46 items (60 minutes are given for completion of each block). Step 1 of the USMLE (United States Medical Licensing Examination) is the first part of the United States Medi...
It provides step-by-step advice on carrying out the examination, taking clinical measurements and photographs with links to more detailed notes such as how to perform a skin biopsy. The direct links are easy to use and include printable proformas and check lists for the clinical history and ...
eTable 1. Median, interquartile range and sodium-potassium ratio of day-1, day-2 dietary recalls and the estimated usual intakes of sodium and potassium for total population and by gender, Third National Health and Nutrition Examination Survey Linked Mortality File 1988-2006. eTable 2. Adjusted...
Moderate drinkers had an alcoholic beverage (ie, beer, wine, or hard liquor) less than once per day during the past month. Never drinkers were those who did not drink beer, wine, or hard liquor during the past month. Physical activity level was defined based on the participant's ...