Complex sentence: This brought the attention of the "CBCL" leaders that remarked the importance of birth control among those particular cases in which the lives of the patients depended upon it, not being successful until 1965, sixteen years later from the first judicial restriction.
Split into simpler sentences: This brought the attention of the "CBCL" leaders, who remarked on the importance of birth control for cases in which the lives of the patients depended upon it. Their legal claims were not successful until 1965, sixteen years later from the first judicial restriction.