PLoS Genetics: http://www.plosgenetics.org/
PLoS Medicine: www.plosmedicine.org/
PLoS Neglected Tropical Diseases: http://www.plosntds.org/
PLoS ONE: http://www.plosone.org/
PLoS Pathogens: http://www.plospathogens.org/
PNG (portable network graphics): http://www.libpng.org/pub/png/
PNG (portable network graphics) (W3C): http://www.w3.org/Graphics/PNG/
Pocket PC: http://www.microsoft.com/windowsmobile/pocketpc/
Poésie d’hier et d’aujourd’hui: http://membres.lycos.fr/mirra/
Poésie française: http://poesie.webnet.fr/