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IP address: 44.215.110.142
Time: 2024-03-28T17:43:26Z
URL: http://scholar.google.com/scholar_lookup?title=Restoration+of+collagen+formation+in+photodamaged+human+skin+by+tretinoin+%28retinoic+acid%29&year=1993&author=Griffiths&journal=N+Engl+J+Med&volume=329&pages=530-535&doi=10.1056%2FNEJM199308193290803&pmid=8336752