@Article{ RUIZ_ABALOS:108-111,

author = { GONZALO RUIZ VILLAVERDE and GRACIA MARIA ABALOS MEDINA } ,

title = { IMPLANTE HORMONAL SUBCUTÁNEO },

journal = { Ciencia Ginecologika },

year = { 2007 },

volume = { 2 },

pages = { 108-111 },

}