8 in 1,2; 9 in 2,3; 10 in 3,2; 11 in 4,2; 12 in 5,2; 13 in 7,3; 14 in 9,3; 15 in 11,2; 16 in 13,2; 17 in 15,2; 18 in 17,2; 19 in 19,2; 20 in 21,2; 21 in 23,2; 22 in 25,2; 23 in 27,2; 24 in 29,2; 25 in 31,3; 26 in 33,3; 27 in 35,2; 28 in 37,5; 29 in 39,5; 30 in 41,5; 31 in 43,5; 32 in 45,5; 33 in 47,5; 34 in 49,5; 35 in 51,3; 36 in 53,2; 37 in 55,1; 38 in 57,4/5; 39 in 59,6; 40 in 61,6; 41 in 63,6; 42 in 65,6 von: Teratology (ISSN: 0040-3709)
43 in 67,5 u. 68,3; 44 in 70,5; 45 in 73,5; 46 in 76,5; 47 in 79,5; 48 in 82,5; 49 in 85,5; 50 in 88,5 von: Birth defects research