TY - BOOK T1 - Developmental biology :patterns, problems, and principles / DA - c1982. CY - New York : CY - London : AU - Saunders, John W., CN - QH491 CN - QH491 PB - Macmillan ; PB - Collier Macmillan Publishers, PP - New York : PP - London : PY - c1982. ID - 50985 KW - Developmental biology. SN - 0024063703 TI - Developmental biology :patterns, problems, and principles / ER -