TY - RPRT TI - Recommended site and depth of newborn heel skin punctures based on anatomical measurements and histopathology. AU - T A Blumenfeld AU - G K Turi AU - W A Blanc PY - 1979 DO - 10.1016/s0140-6736(79)90765-7 UR - https://pubmed.ncbi.nlm.nih.gov/84896/ ID - 84896 ER -