Marcucci M. C., Ferreres F., Custodio A. R., Ferreira M. M. C., Bankova V. S., Garcia-Viguera C., Bretz W. A. “Evaluation of Phenolic Compounds in Brazilian Propolis from Different Geographic Regions”. Z. Naturforsch, 55C, 76-81 (2000).

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High resolution Figure 2, p. 79

Fig. 2. Geographic distribution of samples belonging to groups SE, SI and SII.