@Article{Michael2007,
author="Joseph P. Michael",
title="Indolizidines and quinolizidines: natural products and beyond",
journal="Beilstein Journal of Organic Chemistry",
year="2007",
volume="3",
pages="27",
issn="1860-5397",
doi="10.1186/1860-5397-3-27",
copyright="Michael; licensee Beilstein-Institut",
publisher="Beilstein-Institut",
URL="https://doi.org/10.1186/1860-5397-3-27",
}

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author="J. W. Daly and H. M. Garraffo and T. F. Spande",
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@Article{Michael2007,
author="J. P. Michael",
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note="and previous reviews in the series of annual reviews on indolizidine and quinolizidine alkaloids",
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author="H. Takahata and T. Momose",
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@Inbook{Michael2001,
author="J. P. Michael",
title="Simple indolizidine and quinolizidine alkaloids",
booktitle="The Alkaloids, Chemistry and Pharmacology",
year="2001",
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author="A. M. Lourenço and P. Máximo and L. M. Ferreira and M. M. A. Pereira",
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note="[Studies in Natural Product Chemistry, vol 27.]",
}