Needham LL - Search Results

1

Urinary paranitrophenol, a metabolite of methyl parathion, in Thai farmer and child populations.

Panuwet P, Prapamontol T, Chantara S, Thavornyuthikarn P, Bravo R, Restrepo P, Walker RD, Williams BL, Needham LL, Barr DB. Panuwet P, et al. Among authors: needham ll. Arch Environ Contam Toxicol. 2009 Oct;57(3):623-9. doi: 10.1007/s00244-009-9315-x. Epub 2009 Apr 14. Arch Environ Contam Toxicol. 2009. PMID: 19365648

2

Automated solid phase extraction and quantitative measurement of 2,3-dibromo-1-propanol in urine using gas chromatography-mass spectrometry.

De Alwis GK, Needham LL, Barr DB. De Alwis GK, et al. Among authors: needham ll. Arch Environ Contam Toxicol. 2007 Jul;53(1):134-9. doi: 10.1007/s00244-006-0094-3. Epub 2007 Mar 29. Arch Environ Contam Toxicol. 2007. PMID: 17396210

3

Assessing exposure to atrazine and its metabolites using biomonitoring.

Barr DB, Panuwet P, Nguyen JV, Udunka S, Needham LL. Barr DB, et al. Among authors: needham ll. Environ Health Perspect. 2007 Oct;115(10):1474-8. doi: 10.1289/ehp.10141. Environ Health Perspect. 2007. PMID: 17938738 Free PMC article.

4

Measurement of p-nitrophenol in the urine of residents whose homes were contaminated with methyl parathion.

Barr DB, Turner WE, DiPietro E, McClure PC, Baker SE, Barr JR, Gehle K, Grissom RE Jr, Bravo R, Driskell WJ, Patterson DG Jr, Hill RH Jr, Needham LL, Pirkle JL, Sampson EJ. Barr DB, et al. Among authors: needham ll. Environ Health Perspect. 2002 Dec;110 Suppl 6(Suppl 6):1085-91. doi: 10.1289/ehp.02110s61085. Environ Health Perspect. 2002. PMID: 12634145 Free PMC article.

5

Children's exposure to chlorpyrifos and parathion in an agricultural community in central Washington State.

Fenske RA, Lu C, Barr D, Needham L. Fenske RA, et al. Environ Health Perspect. 2002 May;110(5):549-53. doi: 10.1289/ehp.02110549. Environ Health Perspect. 2002. PMID: 12003762 Free PMC article.

6

Concentrations of dialkyl phosphate metabolites of organophosphorus pesticides in the U.S. population.

Barr DB, Bravo R, Weerasekera G, Caltabiano LM, Whitehead RD Jr, Olsson AO, Caudill SP, Schober SE, Pirkle JL, Sampson EJ, Jackson RJ, Needham LL. Barr DB, et al. Among authors: needham ll. Environ Health Perspect. 2004 Feb;112(2):186-200. doi: 10.1289/ehp.6503. Environ Health Perspect. 2004. PMID: 14754573 Free PMC article.

7

Biologic monitoring of exposure to environmental chemicals throughout the life stages: requirements and issues for consideration for the National Children's Study.

Barr DB, Wang RY, Needham LL. Barr DB, et al. Among authors: needham ll. Environ Health Perspect. 2005 Aug;113(8):1083-91. doi: 10.1289/ehp.7617. Environ Health Perspect. 2005. PMID: 16079083 Free PMC article.

8

Effects of environmental agents on the attainment of puberty: considerations when assessing exposure to environmental chemicals in the National Children's Study.

Wang RY, Needham LL, Barr DB. Wang RY, et al. Among authors: needham ll. Environ Health Perspect. 2005 Aug;113(8):1100-7. doi: 10.1289/ehp.7615. Environ Health Perspect. 2005. PMID: 16079085 Free PMC article.

9

Concentrations of selective metabolites of organophosphorus pesticides in the United States population.

Barr DB, Allen R, Olsson AO, Bravo R, Caltabiano LM, Montesano A, Nguyen J, Udunka S, Walden D, Walker RD, Weerasekera G, Whitehead RD Jr, Schober SE, Needham LL. Barr DB, et al. Among authors: needham ll. Environ Res. 2005 Nov;99(3):314-26. doi: 10.1016/j.envres.2005.03.012. Environ Res. 2005. PMID: 16307973

10

Identification of human urinary metabolites of acetochlor in exposed herbicide applicators by high-performance liquid chromatography-tandem mass spectrometry.

Barr DB, Hines CJ, Olsson AO, Deddens JA, Bravo R, Striley CA, Norrgran J, Needham LL. Barr DB, et al. Among authors: needham ll. J Expo Sci Environ Epidemiol. 2007 Sep;17(6):559-66. doi: 10.1038/sj.jes.7500583. Epub 2007 May 30. J Expo Sci Environ Epidemiol. 2007. PMID: 17534384

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