Search Results - "Pettit, K E"

Anuran development, density and diversity in relation to agricultural activity in the Holland River Watershed, Ontario, Canada (1990-1992) by BISHOP, C. A, MAHONY, N. A, STRUGER, J, NG, P, PETTIT, K. E

“…Significantly lower anuran species diversity and density was recorded in a vegetable growing area relative to upstream and downstream sites in the Holland…”
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Environmental contamination and developmental abnormalities in eggs and hatchlings of the common snapping turtle ( Chelydra serpentina serpentina) from the Great Lakes—St Lawrence River basin (1989–1991) by Bishop, Christine A., Ng, P., Pettit, K.E., Kennedy, S.W., Stegeman, J.J., Norstrom, R.J., Brooks, R.J.

“…During 1989–1991, we assessed developmental abnormalities in embryos and hatchlings from eggs of the common snapping turtle ( Chelydra serpentina serpentina)…”
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The association of inadequate mid-pregnancy weight gain and preterm birth in twin pregnancies by Pettit, K E, Lacoursiere, D Y, Schrimmer, D B, Alblewi, H, Moore, T R, Ramos, G A

“…Objective: To determine whether inadequate gestational weight gain in the second trimester in twin pregnancies is associated with an increased risk of preterm…”
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Congenital heart defects in a large, unselected cohort of monochorionic twins by Pettit, K E, Merchant, M, Machin, G A, Tacy, T A, Norton, M E

“…Objective: To determine the prevalence of congenital heart defects (CHDs) in a large, unselected cohort of monochorionic (MC) twins. Study Design: We completed…”
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The utilization of circulating cell-free fetal DNA testing and decrease in invasive diagnostic procedures: an institutional experience by Pettit, K E, Hull, A D, Korty, L, Jones, M C, Pretorius, D H

“…Objective: To characterize the patient population utilizing circulating cell-free fetal DNA (ccffDNA) testing at a large academic center and evaluate trends in…”
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Temporal and geographic variation of organochlorine residues in eggs of the common snapping turtle (Chelydra serpentina serpentina) (1981-1991) and comparisons to trends in the herring gull (Larus argentatus) in the Great Lakes Basin in Ontario, Canada by BISHOP, C. A, NG, P, NORSTROM, R. J, BROOKS, R. J, PETTIT, K. E

“…Common snapping turtle (Chelydra serpentina serpentina) eggs from five sites within the Great Lakes basin, and from a reference site in north-central Ontario…”
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Magnetic tunnel junctions thermally stable to above 300 °C by Parkin, S. S. P., Moon, K.-S., Pettit, K. E., Smith, David J., Dunin-Borkowski, R. E., McCartney, M. R.

“…Magnetic tunnel junctions formed from sandwiches of magnetically hard Co75Pt12Cr13 and magnetically soft Co88Pt12 ferromagnetic layers separated by thin…”
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Reproductive success and biochemical effects in tree swallows (Tachycineta bicolor) exposed to chlorinated hydrocarbon contaminants in wetlands of the Great Lakes and St. Lawrence River Basin, USA and Canada by Bishop, C.A, Mahony, N.A, Trudeau, S, Pettit, K.E

“…Reproduction and biochemical indicators (vitamin A, ethoxyresorufin-O-deethylase [EROD], highly carboxylated porphyrins) of contaminant effects, and…”
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OC09.06: Incidence of stillbirth after viability in a large, unselected cohort of monochorionic twin pregnancies by Pettit, K. E., Merchant, M., Machin, G. A., Norton, M.

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Effects of agricultural runoff on native amphibians in the Lower Fraser River Valley, British Columbia, Canada by de Solla, Shane R., Pettit, Karen E., Bishop, Christine A., Cheng, Kimberly M., Elliott, John E.

“…Hatching success, deformity rates, and survivorship of northern red‐legged frogs (Rana aurora) and northwestern salamanders (Ambystoma gracile) were assessed…”
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Organochlorine pesticides and polychlorinated biphenyls (PCBs) in eggs of red-legged frogs ( Rana aurora) and northwestern salamanders ( Ambystoma gracile) in an agricultural landscape by de Solla, Shane R., Bishop, Christine A, Pettit, Karen E, Elliott, John E

“…Organochlorine pesticides were widely used in the past in Sumas Prairie, British Columbia, Canada. In the 1990s, the hatching success of amphibians from…”
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