Letter of concern regarding a possible shortage of separated isotopes.
Abrams
S A
SA
Klein
P D
PD
Young
V R
VR
Bier
D M
DM
D002127:Calcium Isotopes; D002648:Child; D005260:Female; D006801:Humans; D009747:Nutritional Physiological Phenomena; D010103:Oxygen Isotopes; D011247:Pregnancy; D012107:Research Design
D002127:Calcium Isotopes; D010103:Oxygen Isotopes