Urinary tract infections (UTIs) are very common. A 2022 analysis found that more than 404.6 million people worldwide had UTIs in 2019. UTIs happen when bacteria from the skin or rectum enter the ...

I REGRET that certain errata have been found in No. III. of the above Tracts. As they might cause confusion to any one computing from one of the formulae affected, I have had an erratum slip ...