PT - JOURNAL ARTICLE AU - Charushree Prasad AU - Elizabeth Cummings TI - Rickets presenting as gross motor delay in twin girls AID - 10.1503/cmaj.170962 DP - 2018 May 07 TA - Canadian Medical Association Journal PG - E565--E568 VI - 190 IP - 18 4099 - http://www.cmaj.ca/content/190/18/E565.short 4100 - http://www.cmaj.ca/content/190/18/E565.full SO - CMAJ2018 May 07; 190