Science and Nature

In almost all of North America, Western Europe, Australia, New Zealand and parts of Asia, it is safe to drink water straight out of the t...

Asian Pac J Trop Biomed. Apr 2011; 1(2): 154–160. doi:   10.1016/S2221-1691(11)60016- 6 Manisha Deb Mandal 1  and  Shyamapa...