Sökning: "richthoff"
Hittade 1 avhandling innehållade ordet richthoff.
1. The impact of genetic, environmental and life-style factors on male reproductive function
Sammanfattning : Recent studies have indicated a decline in sperm number in the western world during the past 50 years, sperm concentration changing from 113 to 66 millions per mL. Furthermore, significant geographical differences in male reproductive function have been observed. LÄS MER
Resultatsidor:
1