(Q69642946)
Statements
A multi-centre study on within-person variability in the urinary excretion of sodium, potassium, calcium, magnesium and creatinine in 8 European centres (English)
Knuiman JT
Hautvast JG
van der Heijden L
Geboers J
Joossens JV
Tornqvist H
Isaksson B
Pietinen P
1 September 1986