B. Falck, L. Andersson, A. Mikulowska, and G. Ronquist, “alpha/Amino/n/butyric acid methyl ester induces concentrative uptake of L/dopa in human Langerhans’ cells normally not operative for L/dopa transport”., Acta Derm Venereol, vol. 73, no. 3, pp. 197–199, Jun. 1993.