A power-closing bolt assembly for a motor-vehicle door latch has a housing, a bolt pivotal in the housing about a pivot axis between a pair of angularly offset end positions, and interengaging bolt and housing abutments respectively on the bolt and on the housing bearing angularly of the pivot axis on each other in each of the end positions. Specifically, the invention relates to methods and apparatus for reviewing specimen slides, including apparatus for holding the slides. Lastly, there is disclosed a pharmaceutical composition and method for effecting weight loss or treating obesity, comprising administering an effective amount of HMG1 or a therapeutically active HMG1 fragment.