Fig. 3
From: Recall of substandard medicines in Brazil during the period 2010–2018
A Classification of quality-related recalls reasons and (B) Recalls related to more than one reason in the quality parameter (n = 1,234). Note: (A)1Less active polymorphics forms (Changes in the crystalline arrangement of a substance, without observing changes in the structure of molecules). (B)1Dissolution/Weight variation; 2Appearance/Aspiration and extrusion test; 3Packaging, aspect and count of microorganisms