You mean the “… in the rat” part? Indeed that phrasing has fallen out of favor, though I didn’t notice it until reading this comment. We still say x causes inf

You mean the “… in the rat” part? Indeed that phrasing has fallen out of favor, though I didn’t notice it until reading this comment. We still say x causes inflamation in the liver instead of in livers, but also causes y in unhealthy livers… wonder if there’s a valid grammar rule for these.