TY - RPRT TI - Serum-digoxin concentrations with a new digoxin derivative, beta-methyl-digoxin. AU - G Härtel AU - V Manninen AU - J Melin AU - A Apajalahti PY - 1973 UR - https://pubmed.ncbi.nlm.nih.gov/4748756/ ID - 4748756 ER -