@book{1881,
	author = {Gartner, Leslie P.,},
	title = { Color textbook of histology},
	publisher = {Elsevier  ,;},
	year = {2007.},
	address = {Philadelphia ,:},
	edition = {3rd ed.},
	url = {https://books.google.com.pk/books?id=pGTtd5i2fR8C&source=gbs_similarbooks}
}