Vitamin A and pattern formation in the regenerating limb.
D000557:Ambystoma / Q000502:physiology*; D000818:Animals; D004305:Dose-Response Relationship, Drug; D005121:Extremities / Q000502:physiology*; D012038:Regeneration / Q000187:drug effects*; D013329:Structure-Activity Relationship; D013997:Time Factors; D014801:Vitamin A / Q000494:pharmacology*
D014801:Vitamin A