Ekantari, N.; Harmayani, E.; Pranoto, Y.; Marsono, Y. Calcium of Spirulina Platensis Has Higher Bioavailability Than Those of Calcium Carbonate and High-Calcium Milk in Sprague Dawley Rats Fed With Vitamin D-Deficient Diet. Pak. J. Nutr. 2017, 16 (3), 179–186. https://doi.org/10.3923/pjn.2017.179.186.