@book{13038,
	author = {WHO Special Programme of Research, Development and Research Training in Human Reproduction. and World Health Organization.},
	title = {WHO laboratory manual for the examination of human semen and semen-cervical mucus interaction.},
	publisher = {Cambridge University Press,},
	year = {1987.},
	address = {Cambridge : },
	note = {Prepared by the WHO Special Programme of Research, Development and Research Training in Human Reproduction.}
}