Figure 1.

Single PM dose versus PM/AM split-dose bowel preparation. A) cecum after a PM-only purgative dose administered the evening before colonoscopy. B) cecum after the second dose of a PM/AM split-dose regimen.

Single PM dose versus PM/AM split-dose bowel preparation. A) cecum after a PM-only purgative dose administered the evening before colonoscopy. B) cecum after the second dose of a PM/AM split-dose regimen.