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1985 | 1 |
1989 | 1 |
2025 | 0 |
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Determinants of plasma levels of beta-carotene and retinol. Skin Cancer Prevention Study Group.
Am J Epidemiol. 1989 Sep;130(3):511-21. doi: 10.1093/oxfordjournals.aje.a115365.
Am J Epidemiol. 1989.
PMID: 2669470
Clinical Trial.
Serum and plasma beta-carotene levels measured with an improved method of high-performance liquid chromatography.
Nierenberg DW.
Nierenberg DW.
J Chromatogr. 1985 May 3;339(2):273-84. doi: 10.1016/s0378-4347(00)84654-x.
J Chromatogr. 1985.
PMID: 4008568
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