Oostra, R.-J.et al. i998d. Congenital anomalies in the teratological collection of the Museum Vrolik in Amsterdam, the Netherlands. IV: Closure defects of the neural tube.American Journal of Medical Genetics 80: 60-73

Oostra, R.-J.et al. 19986. Congenital anomalies in the teratological collection of the Museum Vrolik in Amsterdam, the Netherlands. V: Conjoined and acardiac twins.American Journal of Medical Genetics 80: 74-89

Oro, A.E.and M.P. Scott.1998. Splitting hairs: dissecting roles of signaling systems in epidermal development.Cell 95: 575-578

Orr, H.T.2000. A proposed mechanism of ALS fails the test in vivo.Nature Neuroscience 5: 287-288

Ortega-Ortiz, J.G.and B. Villa-Ramirez.2000. Polydactyly and other features of the manus of the vaquita, Phocoena sinus.Marine Mammal Science 16: 277-286

Pare, A.1573 (1971). Des monstres.J. Ceard (ed.) Droz, Geneva

Pare, A.1573 (1982). On monsters and marvels(trans. J. L. Pallister) Chicago University Press, Chicago

Park, K.and L. Daston.1981. Unnatural conceptions: the study of monsters in sixteenth and seventeenth century France and England.Past and Present 92: 20-54

Parkes, T.L.et al. 1998. Extension of Drosophila lifespan by over expression of human SOD1 in motorneurons.Nature Genetics 19: 171-174

Partridge, L.and D. Gems.2002. Mechanisms of ageing: public or private?Nature Reviews Genetics 3: 165-175

Patronek, G.J.et al. 1997. Comparative longevity of pet dogs and humans: implications for gerontology research.Journal of Gerontology 52A: B171-178

Pearson, K.et al. 1913. A monograph on albinism in man.3 V. text; 3 V. plates. Draper's company research memoirs, Biometric series X. Dulau & Co. London

Pearson, K.1908. On the inheritance of the deformity known as split-foot or lobster claw.Biometrika 6: 69-79

Pearson, K.1913. Notes on the Honduras piebald.Biometrika 9: 330-331

Perrett, D.I.et al. 1994. Facial shape and judgments of female attractiveness.Nature 368: 239-242

Perriton, C.et al. 2002. Sonic hedgehog signalling from the urethral epithelium controls external genital developmentDevelopmental Biology 247: 26-46

Piccolo, S.et al. 1996. Dorsoventral patterning in Xenopus: inhibition of ventral signals by direct binding of Chord in to BMP-4.Cell 86: 589-598

Pinto-Correa, C.1997. The ovary of Eve: egg and sperm and preformationism.Chicago University Press, Chicago

Pletcher, S.D.et al. 2002. Genome-wide transcript profiles in aging and calorically restricted Drosophila melanogaster.Current Biology 30: 712-723

Posel, D.2001. Race as common sense: racial classification in twentieth century South Africa.African Studies Review 44: 87-113

Posner, G. L.and J. Ware.1986. Mengele: the complete story.Futura, London

Power, C.and S. Matthews.1997. Origins of health inequalities in a national population sample.Lancet 350: 1584-1589

Qu, S.et al. 1998. Mutations in mouse Aristaless-like4 cause Strong's luxoid polydactyly.Development. 125: 2711-2721

Quance, E.1977. Alexander Graham Bell, human inheritance, and the eugenics movement.Research Bulletin of the National Historic Parks and Sites Branch, Parks Canada. No. 62

Quigley, C.A.et al. 1992. Complete deletion of the androgen receptor gene: definition of the null phenotype of the androgen insensitivity syndrome and determination of carrier status.Journal of Clinical Endocrinology and Metabolism 74: 932-933