Note: Different structural forms of a compound are isomers.

In his classic monograph describing the clonal selection theory of the immune response, Burnet (1959) suggested that the immune system distinguishes between self (no antibody response) and nonself (antibody response).

Look not so near, with hope to understand, Out-cept, sir, you can read with the left hand.

Carroll, with his normally cast-iron stomach, began to complain of stomach pains.