Cancer clinical trials and subject use of natural herbal products.
Sparber
A
A
Department of Nursing, National Institutes of Health, Bethesda, Maryland, USA. asparber@cc.nih.gov
Jonas
W
W
White
J
J
Derenzo
E
E
Johnson
E
E
Bergerson
S
S
D001943:Breast Neoplasms / Q000188:drug therapy; D002986:Clinical Trials as Topic; D000529:Complementary Therapies; D005260:Female; D006801:Humans; D007258:Informed Consent; D008875:Middle Aged; D010358:Patient Participation; D008517:Phytotherapy; D012107:Research Design