Ruckstuhl, Kathreen E.Colijn, Grant P.Amiot, VolodymyrVinish, Erin2010-08-182010-08-182010-05-23Ruckstuhl et al., Mother's occupation and sex ratio at birth BMC Public Health 2010, 10:269http://hdl.handle.net/1880/48132Article deposited according to publisher policy posted on SHERPA/RoMEO, 18/08/2010.engjournal article10.11575/PRISM/35142