"Guideline for good clinical practice" (PDF). ICH-GCP. p. 7. Retrieved 12 September 2015. http://www.ich.org/fileadmin/Public_Web_Site/ICH_Products/Guidelines/Efficacy/E6/E6_R1_Guideline.pdf
"Guideline for good clinical practice" (PDF). ICH-GCP. p. 7. Retrieved 12 September 2015. http://www.ich.org/fileadmin/Public_Web_Site/ICH_Products/Guidelines/Efficacy/E6/E6_R1_Guideline.pdf
"Guideline for good clinical practice" (PDF). ICH-GCP. p. 7. Retrieved 12 September 2015. http://www.ich.org/fileadmin/Public_Web_Site/ICH_Products/Guidelines/Efficacy/E6/E6_R1_Guideline.pdf