(P31)	(Q13442814) (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020
(P304)	599-602 (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020
(P433)	3 (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020
(P478)	74 (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020
(P577)	Saturday, July 1, 1950 (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020
(P921)	(Q127060) (P887) (Q6708277) (P887) (Q18553852) (P887)
(P1433)	(Q45038026) (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020
(P1476)	"Development of resistance to folic acid antagonists in a transplantable lymphoid leukemia" (language: en) (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020
(P2093)	L W LAW (P1545) 1 (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020 P J BOYLE (P1545) 2 (P248) (P698) 15440903 (P854) https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=EXT_ID:15440903%20AND%20SRC:MED&resulttype=core&format=json (P813) Thursday, May 14, 2020

External Links

(P356)	10.3181/00379727-74-17988
(P698)	15440903