1. The sex ratio of offspring of pilots of high performance military aircraft;Snyder;Hum. Biol.,1961
2. Male proportion in offspring of military air pilots in Norway;Irgens;Nor. Epidemiol.,1999
3. Pilot and astronaut offspring: possible G-force effects on human sex ratio;Little;Aviat. Space Environ. Med.,1987
4. Sex ratio in offspring of pilots: a contribution to stress research;Goerres;Aviat. Space Environ. Med.,1976
5. Sex ratio shift in offspring of male fixed-wing naval aviation officers;Baczuk;Mil. Med.,2009