Classification opinions
… Adoption :1957 … 1. Transdermal administration system, used by angina patients for regulating the heartbeat, comprising … (ii) a small reservoir from which nitroglycerol is released by absorption through the skin into the circulatory system; … (pH 7.3) contains 10 mg of sodium hyaluronate obtained by fermentation (1 %), sodium chloride, disodium phosphate, …