Lamberte, Exaltacion E., Nanette R. Lee, Desiree Conception U. Garganian, and Andrew Kantner. 2000. Family planning service utilization and market segmentation in the Philippines. DHS Further Analysis Reports No. 34. Calverton, Maryland, USA: ORC Macro. Available at http://dhsprogram.com/pubs/pdf/FA34/FA34.pdf.