ANVISA means "Agencia nacional de Vigilancia Sanitaria" which is a regulatory body of Brazil. Brazil is the biggest country of South America. Some of the small countries nearby Brazil are following the rules according to ANVISA.
Related Journals of Anvisa regulatory guidelines
Journal of Pharma Research, International Journal of Research in Pharmacy and Science, Journal of Drug Delivery & Therapeutics, International Journal of Research in Pharmaceutical and Nano Sciences, Brazilian Journal of Pharmaceutical Sciences, Asian Journal of Pharmaceutical Technology and Innovation
Pharmaceutical Regulatory Affairs: Open Access received 533 citations as per Google Scholar report