J. Bigelow

Preparation of fingernails for trace element analysis.

L. Spell, H. Bank, J. Robson, 1981, Clinica chimica acta; international journal of clinical chemistry.

Structure of the tight junctions of the human eccrine sweat gland.

S. Spicer, J. Briggman, J. S. Graves, 1981, The American journal of anatomy.