Imprescindible..

http://www.lavanguardia.com/lacontra/20121017/54352640056/la-contra-elisabeth-josephs-serra.html?fb_action_ids=10151106828417582&fb_action_types=og.likes&fb_source=aggregation&fb_aggregation_id=246965925417366

http://danzademujer.blogspot.mx/p/doula.html