Questions study design.
D000818:Animals; D004285:Dogs / Q000502:physiology; D004315:Doxapram / Q000494:pharmacology; D004357:Drug Synergism; D005769:Gastrointestinal Motility / Q000187:drug effects*; D013843:Thiazines / Q000494:pharmacology*; D014991:Xylazine / Q000494:pharmacology*; D015016:Yohimbine / Q000494:pharmacology
D013843:Thiazines; D014991:Xylazine; D015016:Yohimbine; D004315:Doxapram