Key term: secular trend

Original article 2009;35(4):284-293   pdf
The development of the psychosocial work environment in Denmark from 1997 to 2005
Pejtersen JH, Kristensen TS
 
Invited article 1999;25(6):529-536   pdf
Environmental fertility research at the turn of the century
Bonde JP
 
Article 1999;25 suppl 1:12-16   pdf
Environmental semen studies - is infertility increased by a decline in sperm count?
Bonde JPE, Hjollund NHI, Kolstad HA, Abell A, Larsen SB
 
Original article 1998;24(5):407-413   pdf
Year of birth and sperm count in 10 Danish occupational studies
Bonde JPE, Kold Jensen T, Brixen Larsen S, Abell A, Scheike T, Hjollund NHI, Kolstad HA, Ernst E, Giwercman A, Skakkebæk NE, Keiding N, Olsen J