M., Stewart D
DMEM and PBS were purchased from Lonza (Switzerland)
Drug trials are typically too short to investigate the subject, harmful reactions are selectively reported, and follow-up reporting is underutilized, according to a broad review of these topics published in The International Journal of Risk and Safety in Medicine
However, thicker skin may require formulations designed for body use, and results may vary depending on skin sensitivity and exposure to sun or friction
Harper P, Elwin CE, Cederblad G
US patent 2413493, Bitler WP, Flisik AC, Leonard N, "Synthesis of isomer-free benzyl methyl acetoacetic methyl ester", published 31 December 1946, assigned to Kay Fries Chemicals Inc