TY - GEN AU - Cripps,D J TI - Sunscreens: skin types and protection factor SN - 0043-6542 PY - 1979///0725 KW - Humans KW - Skin KW - drug effects KW - Sunburn KW - classification KW - Sunscreening Agents KW - pharmacology N1 - Publication Type: Journal Article ER -