Tight money squeezes out animal models.
D000818:Animals; D000830:Animals, Laboratory; D002415:Cats; D004195:Disease Models, Animal; D004285:Dogs; D006736:Horses; D009316:National Institutes of Health (U.S.); D002679:Pan troglodytes; D011323:Primates; D012109:Research Support as Topic / Q000191:economics*; D014481:United States