@inproceedings{ Vallejo-Medina_SIERRA,

author = { Pablo Vallejo-Medina and JUAN CARLOS SIERRA FREIRE } ,

title = { How to adapt and validity a sexual questionnaire for special populations: An example of the Sexual Assertiveness Scale on drug dependent men },

booktitle = { 20th World Congress of Sexual Health },

year = { 2011 },

pages = { None - None },

}