1. Evidence indicating the sequence Phi, Hal, H of three closely linked loci in pigs;ANDRESEN;Nord. VetMed.,1979
2. BAKKER, H., WALLINGA, J.H. and POLITIEK, R.D. (1976).Reproduction and body weight of mice after longterm selection for litter size. Proc. 27th Ann. Mtg. EAAP, Zurich
3. Ovulation and post-ovulational losses in strains of mice selected from large and small litters;BATEMAN;Genet. Res.,1966
4. Some factors affecting pig survival;BERESKIN;J. Anim. Sci.,1973
5. Genetic variation in prenatal survival and litter size;BRADFORD;J. Anim. Sci.,1979