1. Neonatal hypocalcemia in low birth weight infants;Tsang;Pediatrics,1970
2. Possible pathogenetic factors in neonatal hypocalcemia of prematurity;Tsang;J. Pediatr.,1973
3. Serum calcium and phosphate in premature and full-term infants;Bruck;Am. J. Dis. Child.,1955
4. Hypocalcemia occurring in the first day of life in mature and premature infants;Gittleman;Pediatrics,1956
5. Hypocalcemia in infants of diabetic mothers;Tsang;J. Pediatr.,1972