Authors:
LAMBERGALLARDT C
KARKKAINEN M
SEPPANEN R
BISTROM H
Citation: C. Lambergallardt et al., LOW SERUM 25-HYDROXYVITAMIN-D CONCENTRATIONS AND SECONDARY HYPERPARATHYROIDISM IN MIDDLE-AGED WHITE STRICT VEGETARIANS, The American journal of clinical nutrition, 58(5), 1993, pp. 684-689