dr. curtis chang who is the director of maternal and adolescent public health and the director of public health. >> is it being shown? so, supervisors, thank you for the invitation to present some local data to you and hopefully my comments will bring some relevance to the question of 20 employees or 50 employees, small and large, and when we could implement. the major questions are what is going to be the health impact on san francisco and what will be the health impact on the individual mothers and children in san francisco, so the brief that has been circulated to you electronically and in paper in front of you summarizes some of the data that we have. so, the summary of the data really is conceptualized by something you can't read right here, this is from professor wilson from columbia, this is publicbacker limbered in the journal of health economics, and the quote that's really most interesting, this is the summary comment that many pediatricians like myself, health care providers across the city share the same sentiments, if policy makers are concerned with decreasing disparities i