@book{87025,
	author = {Morse, Janice M. and Field, Peggy Anne},
	title = {Qualitative research methods for health professional},
	publisher = {SAGE,},
	year = {1995.},
	address = {Thousand Oaks, CA :},
	edition = {2. edición},
	note = {Incluye bibliografia e indice.}
}