TY - GEN AU - Chau,K H AU - Cummins,L M TI - A new extractant for serum thyroxine by enzymatic digestion of thyroxine binding proteins SN - 0021-972X PY - 1976///0423 KW - Evaluation Studies as Topic KW - Humans KW - Hypothyroidism KW - blood KW - Microchemistry KW - Pepsin A KW - Radioligand Assay KW - methods KW - Thyroxine KW - Thyroxine-Binding Proteins N1 - Publication Type: Journal Article UR - https://doi.org/10.1210/jcem-42-1-189 ER -