What is the difference between uorb_advertise and uorb_advertise_queue

I am trying to figure out what is the difference between uorb_advertise and uorb_advertise_queue. In the PX4 src code, I can see that some topics are using uorb_advertise while others are using uorb_advertise_queue for publishing data.
I am writing my own topic and I want to know which one to use.
Can someone help me understand this?