Martindale, Don
The extra pharmacopoeia
Pharmaceutical Press, 1993
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European pharmacopoeia.
Maisonneuve, 1980
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British pharmacopoeia 1968
Pharmaceutical Press, 1968
 Buku Referensi
British pharmacopoeia 1988
HMSO, 1992
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British Pharmacopoeia 1973
Her Majesty's Stationery Office, 1973
 Buku Referensi