ingeneral, people can just walk right in and register with her front desk seen that day. >> my name is yvonne piper on the nurse practitioner here at sf city clinic. he was the first time i came to city clinic was a little intimidated. the first time i got treated for [inaudible]. i walked up to the redline and was greeted with a warm welcome i'm chad redden and anna client of city clinic >> even has had an std clinic since all the way back to 1911. at that time, the clinic was founded to provide std diagnosis treatment for sex workers. there's been a big increase in std rates after the earthquake and the fire a lot of people were homeless and there re more sex work and were homeless sex workers. there were some public health experts who are pretty progressive for their time thought that by providing std diagnosis and treatmentsex workers that we might le ab to get a handle on std rates in san francisco. >> when you're at the clinic you're going to wait with whoever else is able to register at the frdesk first. after you register your seat in the waiting room and wait to be seen. after