| http://www.w3.org/ns/prov#value | - Suitable aqueous vehiclesinclude Ringer's solution and isotonic sodium chloride.Aqueous suspensions according to the invention may include suspending agents such as cellulose derivatives, sodium alginate, polyvinyl-pyrrolidone and gum tragacanth, and a wetting agent such as lecithin.Suitable preservatives for aqueous suspensions include ethyl and n-propyl p-hydroxybenzoate.The invention is now fur
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