2012•PubMedRequires access
Ethinylestradiol and levonorgestrel preparations on the Belgian market: a comparative study.
Vanheusden, De Braekeleer K, J. Corthout
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Abstract
Preparations formulated as coated or film-coated tablets, containing levonorgestrel and the combination ethinylestradiol/levonorgestrel, were evaluated in a comparative study. This study comprised in vitro dissolution, assay and content uniformity. The analytical methods were previously validated according to international guidelines. All examined products complied with the postulated requirements.