Published December 23, 2021 | Version v1

Figure 1 from: Strus O, Fedorovska M, Holota S, Polovko N (2021) Development and validation of standardization methods of aqueous sapropel extract. Pharmacia 68(4): 933-939. https://doi.org/10.3897/pharmacia.68.e71783

  • 1. Danylo Halytsky Lviv National Medical University, Lviv, Ukraine
  • 2. Ivano-Frankivsk National Medical University, Ivano-Frankivsk, Ukraine
  • 3. Danylo Halytsky Lviv National Medical University, Lviv, Ukraine|Lesya Ukrainka Volyn National University, Lutsk, Ukraine
  • 4. National University of Pharmacy, Kharkiv, Ukraine

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Figure 1 Structures of humic acid basic core (A) and fulvic acid (B). Source: (Wang and Mulligan 2018).

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Journal article: 10.3897/pharmacia.68.e71783 (DOI)