TY - JOUR AN - 044643125 PY - 1971/01/01 TI - The formation of the skeleton. I. Growth of a long bone. 1st appearance of a center of calcification JO - Pathologie-Biologie VL - 19 IS - 1 SP - 21 EP - 31 UR - https://eurekamag.com/research/044/643/044643125.php ER -