Name Info Provider Link
Sickle Cell Trait free resource Genetic Alliance https://www.diseaseinfosearch.org/result/6591
subscription/membership/fee required Ovid Technologies, Inc. http://ovidsp.ovid.com/ovidweb.cgi?T=JS&PAGE=linkout&SEARCH=19237851.ui
subscription/membership/fee required Wolters Kluwer https://doi.org/10.1097/PAF.0b013e3181873835