1. Blanc, M., Dugoujon, J. M., Ruffie, J.: Un nouveau marqueur génétique des IgG3 humaines habituellement associé au facteur Gm(21) dans les populations caucasoïdes et mongoloïdes. C. R. Acad. Sci. (Paris) 283, 1461?1463 (1976)
2. Bonne, B., Godber, M., Ashbel, S., Mourant, A. E., Tills, D.: South-SinaïBeduins. A preliminary report on their inherited blood factors. Am. J. Phys. Anthrop. 34, 397?408 (1971)
3. Kunkel, H. G., Smith, W. K., Joslin, F. G., Natvig, J. B., Litwin, S. D.: Genetic marker of the A2 subgroup of ?A immunoglobulins. Nature 223, 1247?1248 (1969)
4. Lalouel, J. M., Loiselet, J., Lefranc, G., Chaiban, D., Chakhachiro, L., Rivat, L., Ropartz, C.: Genetic differentiation among Lebanese communities. Acta Anthropogenetica 1, 15?33 (1976)
5. Lefranc, G., Rivat, L., Rivat, C., Loiselet, J., Ropartz, C.: Evidence for ?deleted? or ?silent? genes homozygous at the locus coding for the constant region of the ?3 chain. Am. J. Hum. Genet. 28, 51?61 (1976a)