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Page 1
Urinary phytoestrogen concentrations in the U.S. population (1999-2000).
Valentín-Blasini L, Sadowski MA, Walden D, Caltabiano L, Needham LL, Barr DB. Valentín-Blasini L, et al. Among authors: needham ll. J Expo Anal Environ Epidemiol. 2005 Nov;15(6):509-23. doi: 10.1038/sj.jea.7500429. J Expo Anal Environ Epidemiol. 2005. PMID: 15928707
Levels of seven urinary phthalate metabolites in a human reference population.
Blount BC, Silva MJ, Caudill SP, Needham LL, Pirkle JL, Sampson EJ, Lucier GW, Jackson RJ, Brock JW. Blount BC, et al. Among authors: needham ll. Environ Health Perspect. 2000 Oct;108(10):979-82. doi: 10.1289/ehp.00108979. Environ Health Perspect. 2000. PMID: 11049818 Free PMC article.
Measurement of bisphenol A levels in human urine.
Brock JW, Yoshimura Y, Barr JR, Maggio VL, Graiser SR, Nakazawa H, Needham LL. Brock JW, et al. Among authors: needham ll. J Expo Anal Environ Epidemiol. 2001 Jul-Aug;11(4):323-8. doi: 10.1038/sj.jea.7500174. J Expo Anal Environ Epidemiol. 2001. PMID: 11571611
Method for determination of acephate, methamidophos, omethoate, dimethoate, ethylenethiourea and propylenethiourea in human urine using high-performance liquid chromatography-atmospheric pressure chemical ionization tandem mass spectrometry.
Montesano MA, Olsson AO, Kuklenyik P, Needham LL, Bradman AS, Barr DB. Montesano MA, et al. Among authors: needham ll. J Expo Sci Environ Epidemiol. 2007 Jul;17(4):321-30. doi: 10.1038/sj.jes.7500550. Epub 2007 Apr 18. J Expo Sci Environ Epidemiol. 2007. PMID: 17440487
Measurement of dialkyl phosphate metabolites of organophosphorus pesticides in human urine using lyophilization with gas chromatography-tandem mass spectrometry and isotope dilution quantification.
Bravo R, Caltabiano LM, Weerasekera G, Whitehead RD, Fernandez C, Needham LL, Bradman A, Barr DB. Bravo R, et al. Among authors: needham ll. J Expo Anal Environ Epidemiol. 2004 May;14(3):249-59. doi: 10.1038/sj.jea.7500322. J Expo Anal Environ Epidemiol. 2004. PMID: 15141154
386 results