TY - RPRT TI - Hemoglobin: molecular changes during anuran metamorphosis. AU - C D TRADER AU - J S WORTHAM AU - E FRIEDEN PY - 1963 DO - 10.1126/science.139.3558.918 UR - https://pubmed.ncbi.nlm.nih.gov/13993937/ ID - 13993937 ER -