@book{2603,
	author = {Huckstep R. L.},
	title = {Poliomyelitis a Guide for Developing Countries,},
	publisher = {Longman Group,},
	year = {1975.},
	address = {Chuchill Livingstone;,},
	url = {https://books.google.com.pk/books/about/Poliomyelitis.html?id=aN3XmgEACAAJ&redir_esc=y}
}