Learn More
Feeding experiments and chemical degradations have shown that D-[1(-14)C,2(-3)H]-and-[1(-14)C,6(-3)H] glucosamine, L-[ureido-14C] citrulline, L-[guanidino-14C] arginine and L-[14CH3] methionine(More)
BACKGROUND Vitamin A is widely used in cosmetic preparations. Given that oral Vitamin A and its metabolites present a potential reproductive risk, the present study investigated the effect of topical(More)