http://www.optimumpopulation.org (John Guillebaud is Co-chair, with Rosamund McDougall)
http://www.peopleandplanet.net (John Guillebaud is Trustee)
http://www.ecotimecapsule.com/bodhi/hottopics.html
http://www.fertilityuk.org/nfps832.html
http://www.agi-usa.org/pubs/journals/3209300.html
http://www.margaretpyke.org/faq/acknowledgements.htm
http://eco.gn.apc.org/eview/eview15.html
http://www.essentialdrugs.org/edrug/hma/e-drug.199909/msg00126.php
http://www.acton.org/publicat/randl/01mar_apr/reviewessay1.html
http://www.leeds.ac.uk/demographic_entrapment/Disentrapment_programmes.htm
http://www.patient.co.uk/illness/c/contraception.htm
http://www.managingcontraception.com/questions_new/miscellaneous/q-a_ms_10-20-00.html
http://www.angelfire.com/on/bodhi/bt14a.html
http://www.medsin.org/~sex/groups/about-us.htm
http://www.std-hiv-teesside.co.uk/conference.html
http://www.babycomp-ladycomp.co.uk/en/planung/verhueten/vergleich.php
http://www.seychelles.net/smdj/edu.htm
http://www.gospelcom.net/cgi-ivpress/book.pl/toc/code=1556
http://www.thnc.com/clients/schering/pdf/mirenaCMI.pdf
http://bmj.com/cgi/content/full/320/7243/1207/a
http://jam.avon.net.au/~notoxic/the%20lancet%20pressrelease%20cong%20abnormalities.htm
http://bmj.com/content/vol319/issue7215/press_release.shtml
http://eco.gn.apc.org/advisors.html
http://www.buddhanet.net/bodhiaus.htm
http://www.saldatore.dial.pipex.com/rigppapers.htm
http://www.edie.net/news/Archive/4407.cfm
http://www.ucl.ac.uk/Registry/Events/LHL/absd1.htm
http://www.path.org/resources/pub_outlook.htm
http://www.green.ox.ac.uk/cepu-info.htm
http://www.netdoctor.co.uk/menshealth/feature/malepill.htm
http://www.users.daelnet.co.uk/allinson/cel/gc/g44/g44_ed.htm
http://www.users.daelnet.co.uk/allinson/cel/gc/g44/g44_cont.htm