«If you get a few burps out of baby or do something else to move things along, most babies are relieved of the symptoms and will stop crying,» she said. (romper.com)
That could actually mean more methane gets burped out if their volume of food intake is high — depends on the winter. (realclimate.org)
Often we get the stubborn burp out when carrying a baby up or down stairs; the bobbing motion seems to help. (get-your-baby-to-sleep.com)