| http://www.w3.org/ns/prov#value | - Ophthalmic surgical additives include, but are not limited to, alpha-chymotrypsin and hyaluronidase. [0077] Prostaglandins are art recognized and are a class of naturally occurring chemically related, long-chain hydroxy fatty acids that have a variety of biological effects. [0078] Anti-depressants are substances capable of preventing or relieving depression.
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