American Cancer Society guidelines for the early detection of cancerRobert A. Smith, Harmon J. Eyre, Curtis Mettlin et al.|CA A Cancer Journal for Clinicians|2000Cited by 206
Poor asthma control in children: evidence from epidemiological surveys and implications for clinical practicePer Gustafsson, Klaus F. Rabe, Liam Watson et al.|International Journal of Clinical Practice|2006Cited by 115
Methods for external control groups for single arm trials or <scp>long‐term</scp> uncontrolled extensions to randomized clinical trialsJohn D. Seeger, Jesse A. Berlin, Kourtney J. Davis et al.|Pharmacoepidemiology and Drug Safety|2020Cited by 68
Uncontrolled Extensions of Clinical Trials and the Use of External Controls—Scoping Opportunities and MethodsChing‐Yu Wang, Almut G. Winterstein, Jesse A. Berlin et al.|Clinical Pharmacology & Therapeutics|2021Cited by 12