Talk:Paper - The early development of the knee joint in staged human embryos
From Embryology
STREETER, G. L. (1951). Developmental horizons in human embryos. Age groups XI to XXIII. Embryology Reprint Volume II. Washington, D.C.: Carnegie Institution. See also (1942) Contr. Embryol. 30, 211245; (1945) Contr. Embryol. 31, 27-63; (1948) Contr. Embryol. 32, 133-203; (1949) Contr. Embryol. 33, 142-167; (1951) Contr. Embryol. 34, 165-196.
