Informed consent. The central problem is often poor design and conduct of trials.
Pfeffer
N
N
Alderson
P
P
D026686:Beneficence; D002986:Clinical Trials as Topic; D030881:Disclosure; D035081:Editorial Policies; D026724:Ethical Review; D006801:Humans; D007258:Informed Consent; D038622:Internationality; D033282:Parental Consent; D026684:Personal Autonomy; D009272:Persons; D037841:Pregnant People; D012107:Research Design; D035862:Vulnerable Populations