v.make oneself visible; take action
同义词：come to the forecome forwardstep upstep to the forecome out
Hypertension: steps forward and steps backward.
HIV: One step forward ... one step back
Two steps forward, one step back: the pleiotropic effects of favoured alleles
Platelet function testing and cardiovascular outcomes: steps forward in identifying the best predictive measure.
View integration: a step forward in solving structural conflicts
Supermediastinoscopies: A Step Forward in Lung Cancer Staging
Clinical trials of Shigella vaccines: Two steps forward and one step back on a long, hard road
Quantitative CT evaluation of adrenal gland masses: a step forward in the differentiation between adenomas and nonadenomas?
WISARD·a radical step forward in image recognition
Will the real socially responsible consumer please step forward?
