feature-improveclinical: "not specified" added as a string indicating missing value
@@ -127,6 +127,7 @@ public class EtlCommons {
public static boolean isMissing(String string) {
return !((string != null) && !string.isEmpty()
&& !string.replace(" ", "")
+ .replace("not specified", "")
.replace("NS", "")
.replace("NA", "")
.replace("NULL", "")
