Reprinted from: Voeding 22 (1961), nrs 11 and 12; 23 (1962), nrs 1 and 2
Calcium metabolism in man : symposium organized in commemoration of the 60th anniversary of N.V. Nutricia, Zoetermeer (Netherlands) : Noordwijk, May 23rd-24th, 1961
Calcium metabolism in man : symposium organized in commemoration of the 60th anniversary of N.V. Nutricia, Zoetermeer (Netherlands) : Noordwijk, May 23rd-24th, 1961 / organ. committee: C. den Hartog ... [et al.]