Percutaneous absorptiometry by UV laser photoacoustic method using a novel open-ended cell combined with light guide R. Takamoto, S. Yamamoto, R. Namba, M. Matsuoka and T. Sawada J. Phys. IV France, 04 C7 (1994) C7-453-C7-456 DOI: 10.1051/jp4:19947105