The following uploaded PubMed IDs were not found: 4936035, 204803, 14226180, 4405857, 65671, 69066, 679167, 5825203, 5285397, 5820263, 18748389, 4963163, 1247010, 5677728, 712957, 263390, 754399, 1173902, 13671715, 984759, 872488, 4186974, 68236, 128641, 708180, 6072318, 480540, 110408, 4897363, 666187, 13970249, 453184, 4162307, 463863, 4710407, 834226, 5468449, 4974707, 759868, 623085, 51176, 90899, 13946033, 204804, 5107928, 671723, 4188094, 4179835, 5488041, 4872077, 13957747, 998607, 18748361, 911600, 14200080, 149499, 13652368, 4424104, 454059, 5306758, 5660302, 4380944, 984312, 78309, 177869, 14191268, 282107, 632364, 5695107, 4677845, 157856, 576326, 4421324, 5230292, 1264157, 14074351, 1268551, 14076007, 86904, 4158821, 14162534, 973622, 334332, 493943, 937610, 4189270, 6038296, 4180682, 5956365, 909097, 490829, 1244713, 331400, 5352781, 14242512, 305723, 851122, 5927689, 463862
Most of the time, papers are missing because the paper was not published during the year range we have data for (1980- present).