Assessing protective effect of sunscreen productsBMJ 1991; 303 doi: https://doi.org/10.1136/bmj.303.6799.418-a (Published 17 August 1991) Cite this as: BMJ 1991;303:418
Log in using your username and password
Log in through your institution
Register for a free trial to thebmj.com to receive unlimited access to all content on thebmj.com for 14 days.
Sign up for a free trial